init

.gitignore

+.idea
+*.iml
+out
+gen
+*.sol
+*.txt
+.DS_Store
+*.exe

Dockerfile

+FROM golang:1.21-alpine AS base
+
+# Set up dependencies
+ENV PACKAGES git openssh-client build-base
+
+# Install dependencies
+RUN apk add --update $PACKAGES
+
+# Add source files
+RUN mkdir -p ./claim-monitor
+COPY ./ ./claim-monitor/
+
+RUN git clone https://code.wuban.net.cn/odysseus/odysseus-protocol.git
+
+FROM base AS build
+
+RUN  cd claim-monitor && go mod tidy && go build -v -o /tmp/api ./cmd/api && go build -v -o /tmp/api ./cmd/sync
+
+FROM alpine
+
+WORKDIR /app
+
+COPY ./config.toml /config.toml
+
+VOLUME /config.toml
+
+VOLUME /app
+
+COPY --from=build /tmp/api /usr/bin/api
+
+COPY --from=build /tmp/api /usr/bin/sync
+
+EXPOSE 8080
+

Makefile

+.PHONY: default all clean dev
+
+GOBIN = $(shell pwd)/build/bin
+
+GOVERSION=$(shell go version | awk '{print $$3}')
+GITHASH=$(shell git show -s --format=%H)
+GITBRANCH=$(shell git symbolic-ref --short -q HEAD)
+BUILDTIME=$(shell git show -s --format=%cd)
+
+default: all
+
+all: clean sync api
+
+BUILD_FLAGS=-ldflags "\
+-X 'validator/version.GOVersion=$(GOVERSION)' \
+-X 'validator/version.GitHash=$(GITHASH)' \
+-X 'validator/version.BuildTime=$(BUILDTIME)' \
+-X 'validator/version.GitBranch=$(GITBRANCH)'"
+
+
+api:
+	go build $(BUILD_FLAGS) -v -o=${GOBIN}/$@ ./cmd/api
+
+
+sync:
+	go build $(BUILD_FLAGS) -v -o=${GOBIN}/$@ -gcflags "all=-N -l" ./cmd/sync
+
+docker:
+	docker build -t validator:latest -f Dockerfile .
+
+clean:
+	rm -rf build
+

api/router.go

+package api

cmd/api/main.go

+package main
+
+import (
+	"claim-monitor/config"
+	"claim-monitor/dao"
+	"claim-monitor/server"
+	"claim-monitor/service"
+	"flag"
+
+	log "github.com/sirupsen/logrus"
+)
+
+func init() {
+	log.SetFormatter(&log.TextFormatter{
+		FullTimestamp: true,
+	})
+}
+
+func main() {
+	flag.Parse()
+	conf, err := config.New()
+	if err != nil {
+		panic(err)
+	}
+
+	da, err := dao.New(conf)
+	if err != nil {
+		panic(err)
+	}
+
+	if conf.Debug {
+		log.SetLevel(log.DebugLevel)
+	}
+
+	// http server
+	srv := service.New(conf, da)
+	server.Run(srv, conf)
+}

cmd/sync/main.go

+package main
+
+import (
+	"claim-monitor/config"
+	"claim-monitor/dao"
+	"claim-monitor/sync"
+	"flag"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+)
+
+func init() {
+	log.SetFormatter(&log.TextFormatter{
+		FullTimestamp: true,
+	})
+}
+
+var migrate = flag.Bool("migrate", false, "migrate database")
+
+func main() {
+	flag.Parse()
+	conf, err := config.New()
+	if err != nil {
+		panic(err)
+	}
+
+	conf.Mysql.Migrate = *migrate
+
+	da, err := dao.New(conf)
+	if err != nil {
+		panic(err)
+	}
+
+	if conf.Debug {
+		log.SetLevel(log.DebugLevel)
+	}
+
+	sy := sync.New(conf, da)
+	for {
+		sy.Start()
+		log.Error("sync error, retry after 20 seconds")
+		time.Sleep(time.Second * 20)
+	}
+}

config.toml

+debug = true
+
+# 单次获取数据量
+batch_size = 99
+
+[server]
+# api服务监听
+listen = '0.0.0.0:8080'
+
+[chain]
+# rpc
+rpc = 'https://dev.rpc.agicoin.ai'
+
+[mysql]
+host = 'db'
+port = 3306
+user = 'root'
+password = 'XN2UARuys3zy4Oux'
+database = 'agi'
+max_conn = 20
+max_idle_conn = 10
\ No newline at end of file

config/config.go

+package config
+
+import (
+	"flag"
+
+	"github.com/BurntSushi/toml"
+)
+
+type Config struct {
+	Debug     bool         `toml:"debug"`
+	BatchSize int          `toml:"batch_size"`
+	Chain     ChainConfig  `toml:"chain"`
+	Mysql     MysqlConfig  `toml:"mysql"`
+	Server    ServerConfig `toml:"server"`
+}
+
+type ChainConfig struct {
+	RPC                 string `toml:"rpc"`
+	DistributionAddress string `toml:"distribution_address"`
+}
+
+type MysqlConfig struct {
+	Host        string `toml:"host"`
+	Port        int    `toml:"port"`
+	User        string `toml:"user"`
+	Password    string `toml:"password"`
+	Database    string `toml:"database"`
+	MaxConn     int    `toml:"max_conn"`
+	MaxIdleConn int    `toml:"max_idle_conn"`
+	Migrate     bool   `toml:"migrate"`
+}
+
+type ServerConfig struct {
+	Listen string `toml:"listen"`
+}
+
+var confPath = flag.String("c", "config.toml", "config file path")
+
+func New() (config *Config, err error) {
+	config = new(Config)
+	_, err = toml.DecodeFile(*confPath, config)
+	return
+}

contract/distribution.go

+// Code generated - DO NOT EDIT.
+// This file is a generated binding and any manual changes will be lost.
+
+package contract
+
+import (
+	"errors"
+	"math/big"
+	"strings"
+
+	ethereum "github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/accounts/abi/bind"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/event"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var (
+	_ = errors.New
+	_ = big.NewInt
+	_ = strings.NewReader
+	_ = ethereum.NotFound
+	_ = bind.Bind
+	_ = common.Big1
+	_ = types.BloomLookup
+	_ = event.NewSubscription
+	_ = abi.ConvertType
+)
+
+// DistributionMetaData contains all meta data concerning the Distribution contract.
+var DistributionMetaData = &bind.MetaData{
+	ABI: "[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_validator\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"inputs\":[],\"name\":\"EnforcedPause\",\"type\":\"error\"},{\"inputs\":[],\"name\":\"ExpectedPause\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"OwnableInvalidOwner\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"OwnableUnauthorizedAccount\",\"type\":\"error\"},{\"inputs\":[],\"name\":\"ReentrancyGuardReentrantCall\",\"type\":\"error\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"addr\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"totalClaimedAmount\",\"type\":\"uint256\"}],\"name\":\"Claimed\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Paused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Unpaused\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"bytes32[]\",\"name\":\"proof\",\"type\":\"bytes32[]\"},{\"internalType\":\"uint256\",\"name\":\"userAllAmount\",\"type\":\"uint256\"}],\"name\":\"claim\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"claimedOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"paused\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"setPause\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"setUnPause\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"userClaimed\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"validator\",\"outputs\":[{\"internalType\":\"contractIValidator\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"addr\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"withdraw\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
+}
+
+// DistributionABI is the input ABI used to generate the binding from.
+// Deprecated: Use DistributionMetaData.ABI instead.
+var DistributionABI = DistributionMetaData.ABI
+
+// Distribution is an auto generated Go binding around an Ethereum contract.
+type Distribution struct {
+	DistributionCaller     // Read-only binding to the contract
+	DistributionTransactor // Write-only binding to the contract
+	DistributionFilterer   // Log filterer for contract events
+}
+
+// DistributionCaller is an auto generated read-only Go binding around an Ethereum contract.
+type DistributionCaller struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// DistributionTransactor is an auto generated write-only Go binding around an Ethereum contract.
+type DistributionTransactor struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// DistributionFilterer is an auto generated log filtering Go binding around an Ethereum contract events.
+type DistributionFilterer struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// DistributionSession is an auto generated Go binding around an Ethereum contract,
+// with pre-set call and transact options.
+type DistributionSession struct {
+	Contract     *Distribution     // Generic contract binding to set the session for
+	CallOpts     bind.CallOpts     // Call options to use throughout this session
+	TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
+}
+
+// DistributionCallerSession is an auto generated read-only Go binding around an Ethereum contract,
+// with pre-set call options.
+type DistributionCallerSession struct {
+	Contract *DistributionCaller // Generic contract caller binding to set the session for
+	CallOpts bind.CallOpts       // Call options to use throughout this session
+}
+
+// DistributionTransactorSession is an auto generated write-only Go binding around an Ethereum contract,
+// with pre-set transact options.
+type DistributionTransactorSession struct {
+	Contract     *DistributionTransactor // Generic contract transactor binding to set the session for
+	TransactOpts bind.TransactOpts       // Transaction auth options to use throughout this session
+}
+
+// DistributionRaw is an auto generated low-level Go binding around an Ethereum contract.
+type DistributionRaw struct {
+	Contract *Distribution // Generic contract binding to access the raw methods on
+}
+
+// DistributionCallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
+type DistributionCallerRaw struct {
+	Contract *DistributionCaller // Generic read-only contract binding to access the raw methods on
+}
+
+// DistributionTransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
+type DistributionTransactorRaw struct {
+	Contract *DistributionTransactor // Generic write-only contract binding to access the raw methods on
+}
+
+// NewDistribution creates a new instance of Distribution, bound to a specific deployed contract.
+func NewDistribution(address common.Address, backend bind.ContractBackend) (*Distribution, error) {
+	contract, err := bindDistribution(address, backend, backend, backend)
+	if err != nil {
+		return nil, err
+	}
+	return &Distribution{DistributionCaller: DistributionCaller{contract: contract}, DistributionTransactor: DistributionTransactor{contract: contract}, DistributionFilterer: DistributionFilterer{contract: contract}}, nil
+}
+
+// NewDistributionCaller creates a new read-only instance of Distribution, bound to a specific deployed contract.
+func NewDistributionCaller(address common.Address, caller bind.ContractCaller) (*DistributionCaller, error) {
+	contract, err := bindDistribution(address, caller, nil, nil)
+	if err != nil {
+		return nil, err
+	}
+	return &DistributionCaller{contract: contract}, nil
+}
+
+// NewDistributionTransactor creates a new write-only instance of Distribution, bound to a specific deployed contract.
+func NewDistributionTransactor(address common.Address, transactor bind.ContractTransactor) (*DistributionTransactor, error) {
+	contract, err := bindDistribution(address, nil, transactor, nil)
+	if err != nil {
+		return nil, err
+	}
+	return &DistributionTransactor{contract: contract}, nil
+}
+
+// NewDistributionFilterer creates a new log filterer instance of Distribution, bound to a specific deployed contract.
+func NewDistributionFilterer(address common.Address, filterer bind.ContractFilterer) (*DistributionFilterer, error) {
+	contract, err := bindDistribution(address, nil, nil, filterer)
+	if err != nil {
+		return nil, err
+	}
+	return &DistributionFilterer{contract: contract}, nil
+}
+
+// bindDistribution binds a generic wrapper to an already deployed contract.
+func bindDistribution(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
+	parsed, err := DistributionMetaData.GetAbi()
+	if err != nil {
+		return nil, err
+	}
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
+}
+
+// Call invokes the (constant) contract method with params as input values and
+// sets the output to result. The result type might be a single field for simple
+// returns, a slice of interfaces for anonymous returns and a struct for named
+// returns.
+func (_Distribution *DistributionRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
+	return _Distribution.Contract.DistributionCaller.contract.Call(opts, result, method, params...)
+}
+
+// Transfer initiates a plain transaction to move funds to the contract, calling
+// its default method if one is available.
+func (_Distribution *DistributionRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _Distribution.Contract.DistributionTransactor.contract.Transfer(opts)
+}
+
+// Transact invokes the (paid) contract method with params as input values.
+func (_Distribution *DistributionRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
+	return _Distribution.Contract.DistributionTransactor.contract.Transact(opts, method, params...)
+}
+
+// Call invokes the (constant) contract method with params as input values and
+// sets the output to result. The result type might be a single field for simple
+// returns, a slice of interfaces for anonymous returns and a struct for named
+// returns.
+func (_Distribution *DistributionCallerRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
+	return _Distribution.Contract.contract.Call(opts, result, method, params...)
+}
+
+// Transfer initiates a plain transaction to move funds to the contract, calling
+// its default method if one is available.
+func (_Distribution *DistributionTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _Distribution.Contract.contract.Transfer(opts)
+}
+
+// Transact invokes the (paid) contract method with params as input values.
+func (_Distribution *DistributionTransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
+	return _Distribution.Contract.contract.Transact(opts, method, params...)
+}
+
+// ClaimedOf is a free data retrieval call binding the contract method 0xf489b36f.
+//
+// Solidity: function claimedOf() view returns(uint256)
+func (_Distribution *DistributionCaller) ClaimedOf(opts *bind.CallOpts) (*big.Int, error) {
+	var out []interface{}
+	err := _Distribution.contract.Call(opts, &out, "claimedOf")
+
+	if err != nil {
+		return *new(*big.Int), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(*big.Int)).(**big.Int)
+
+	return out0, err
+
+}
+
+// ClaimedOf is a free data retrieval call binding the contract method 0xf489b36f.
+//
+// Solidity: function claimedOf() view returns(uint256)
+func (_Distribution *DistributionSession) ClaimedOf() (*big.Int, error) {
+	return _Distribution.Contract.ClaimedOf(&_Distribution.CallOpts)
+}
+
+// ClaimedOf is a free data retrieval call binding the contract method 0xf489b36f.
+//
+// Solidity: function claimedOf() view returns(uint256)
+func (_Distribution *DistributionCallerSession) ClaimedOf() (*big.Int, error) {
+	return _Distribution.Contract.ClaimedOf(&_Distribution.CallOpts)
+}
+
+// Owner is a free data retrieval call binding the contract method 0x8da5cb5b.
+//
+// Solidity: function owner() view returns(address)
+func (_Distribution *DistributionCaller) Owner(opts *bind.CallOpts) (common.Address, error) {
+	var out []interface{}
+	err := _Distribution.contract.Call(opts, &out, "owner")
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// Owner is a free data retrieval call binding the contract method 0x8da5cb5b.
+//
+// Solidity: function owner() view returns(address)
+func (_Distribution *DistributionSession) Owner() (common.Address, error) {
+	return _Distribution.Contract.Owner(&_Distribution.CallOpts)
+}
+
+// Owner is a free data retrieval call binding the contract method 0x8da5cb5b.
+//
+// Solidity: function owner() view returns(address)
+func (_Distribution *DistributionCallerSession) Owner() (common.Address, error) {
+	return _Distribution.Contract.Owner(&_Distribution.CallOpts)
+}
+
+// Paused is a free data retrieval call binding the contract method 0x5c975abb.
+//
+// Solidity: function paused() view returns(bool)
+func (_Distribution *DistributionCaller) Paused(opts *bind.CallOpts) (bool, error) {
+	var out []interface{}
+	err := _Distribution.contract.Call(opts, &out, "paused")
+
+	if err != nil {
+		return *new(bool), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
+
+	return out0, err
+
+}
+
+// Paused is a free data retrieval call binding the contract method 0x5c975abb.
+//
+// Solidity: function paused() view returns(bool)
+func (_Distribution *DistributionSession) Paused() (bool, error) {
+	return _Distribution.Contract.Paused(&_Distribution.CallOpts)
+}
+
+// Paused is a free data retrieval call binding the contract method 0x5c975abb.
+//
+// Solidity: function paused() view returns(bool)
+func (_Distribution *DistributionCallerSession) Paused() (bool, error) {
+	return _Distribution.Contract.Paused(&_Distribution.CallOpts)
+}
+
+// UserClaimed is a free data retrieval call binding the contract method 0x3b7fcdca.
+//
+// Solidity: function userClaimed(address ) view returns(uint256)
+func (_Distribution *DistributionCaller) UserClaimed(opts *bind.CallOpts, arg0 common.Address) (*big.Int, error) {
+	var out []interface{}
+	err := _Distribution.contract.Call(opts, &out, "userClaimed", arg0)
+
+	if err != nil {
+		return *new(*big.Int), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(*big.Int)).(**big.Int)
+
+	return out0, err
+
+}
+
+// UserClaimed is a free data retrieval call binding the contract method 0x3b7fcdca.
+//
+// Solidity: function userClaimed(address ) view returns(uint256)
+func (_Distribution *DistributionSession) UserClaimed(arg0 common.Address) (*big.Int, error) {
+	return _Distribution.Contract.UserClaimed(&_Distribution.CallOpts, arg0)
+}
+
+// UserClaimed is a free data retrieval call binding the contract method 0x3b7fcdca.
+//
+// Solidity: function userClaimed(address ) view returns(uint256)
+func (_Distribution *DistributionCallerSession) UserClaimed(arg0 common.Address) (*big.Int, error) {
+	return _Distribution.Contract.UserClaimed(&_Distribution.CallOpts, arg0)
+}
+
+// Validator is a free data retrieval call binding the contract method 0x3a5381b5.
+//
+// Solidity: function validator() view returns(address)
+func (_Distribution *DistributionCaller) Validator(opts *bind.CallOpts) (common.Address, error) {
+	var out []interface{}
+	err := _Distribution.contract.Call(opts, &out, "validator")
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// Validator is a free data retrieval call binding the contract method 0x3a5381b5.
+//
+// Solidity: function validator() view returns(address)
+func (_Distribution *DistributionSession) Validator() (common.Address, error) {
+	return _Distribution.Contract.Validator(&_Distribution.CallOpts)
+}
+
+// Validator is a free data retrieval call binding the contract method 0x3a5381b5.
+//
+// Solidity: function validator() view returns(address)
+func (_Distribution *DistributionCallerSession) Validator() (common.Address, error) {
+	return _Distribution.Contract.Validator(&_Distribution.CallOpts)
+}
+
+// Claim is a paid mutator transaction binding the contract method 0x3b439351.
+//
+// Solidity: function claim(bytes32[] proof, uint256 userAllAmount) returns()
+func (_Distribution *DistributionTransactor) Claim(opts *bind.TransactOpts, proof [][32]byte, userAllAmount *big.Int) (*types.Transaction, error) {
+	return _Distribution.contract.Transact(opts, "claim", proof, userAllAmount)
+}
+
+// Claim is a paid mutator transaction binding the contract method 0x3b439351.
+//
+// Solidity: function claim(bytes32[] proof, uint256 userAllAmount) returns()
+func (_Distribution *DistributionSession) Claim(proof [][32]byte, userAllAmount *big.Int) (*types.Transaction, error) {
+	return _Distribution.Contract.Claim(&_Distribution.TransactOpts, proof, userAllAmount)
+}
+
+// Claim is a paid mutator transaction binding the contract method 0x3b439351.
+//
+// Solidity: function claim(bytes32[] proof, uint256 userAllAmount) returns()
+func (_Distribution *DistributionTransactorSession) Claim(proof [][32]byte, userAllAmount *big.Int) (*types.Transaction, error) {
+	return _Distribution.Contract.Claim(&_Distribution.TransactOpts, proof, userAllAmount)
+}
+
+// RenounceOwnership is a paid mutator transaction binding the contract method 0x715018a6.
+//
+// Solidity: function renounceOwnership() returns()
+func (_Distribution *DistributionTransactor) RenounceOwnership(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _Distribution.contract.Transact(opts, "renounceOwnership")
+}
+
+// RenounceOwnership is a paid mutator transaction binding the contract method 0x715018a6.
+//
+// Solidity: function renounceOwnership() returns()
+func (_Distribution *DistributionSession) RenounceOwnership() (*types.Transaction, error) {
+	return _Distribution.Contract.RenounceOwnership(&_Distribution.TransactOpts)
+}
+
+// RenounceOwnership is a paid mutator transaction binding the contract method 0x715018a6.
+//
+// Solidity: function renounceOwnership() returns()
+func (_Distribution *DistributionTransactorSession) RenounceOwnership() (*types.Transaction, error) {
+	return _Distribution.Contract.RenounceOwnership(&_Distribution.TransactOpts)
+}
+
+// SetPause is a paid mutator transaction binding the contract method 0xd431b1ac.
+//
+// Solidity: function setPause() returns()
+func (_Distribution *DistributionTransactor) SetPause(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _Distribution.contract.Transact(opts, "setPause")
+}
+
+// SetPause is a paid mutator transaction binding the contract method 0xd431b1ac.
+//
+// Solidity: function setPause() returns()
+func (_Distribution *DistributionSession) SetPause() (*types.Transaction, error) {
+	return _Distribution.Contract.SetPause(&_Distribution.TransactOpts)
+}
+
+// SetPause is a paid mutator transaction binding the contract method 0xd431b1ac.
+//
+// Solidity: function setPause() returns()
+func (_Distribution *DistributionTransactorSession) SetPause() (*types.Transaction, error) {
+	return _Distribution.Contract.SetPause(&_Distribution.TransactOpts)
+}
+
+// SetUnPause is a paid mutator transaction binding the contract method 0xc537a1b1.
+//
+// Solidity: function setUnPause() returns()
+func (_Distribution *DistributionTransactor) SetUnPause(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _Distribution.contract.Transact(opts, "setUnPause")
+}
+
+// SetUnPause is a paid mutator transaction binding the contract method 0xc537a1b1.
+//
+// Solidity: function setUnPause() returns()
+func (_Distribution *DistributionSession) SetUnPause() (*types.Transaction, error) {
+	return _Distribution.Contract.SetUnPause(&_Distribution.TransactOpts)
+}
+
+// SetUnPause is a paid mutator transaction binding the contract method 0xc537a1b1.
+//
+// Solidity: function setUnPause() returns()
+func (_Distribution *DistributionTransactorSession) SetUnPause() (*types.Transaction, error) {
+	return _Distribution.Contract.SetUnPause(&_Distribution.TransactOpts)
+}
+
+// TransferOwnership is a paid mutator transaction binding the contract method 0xf2fde38b.
+//
+// Solidity: function transferOwnership(address newOwner) returns()
+func (_Distribution *DistributionTransactor) TransferOwnership(opts *bind.TransactOpts, newOwner common.Address) (*types.Transaction, error) {
+	return _Distribution.contract.Transact(opts, "transferOwnership", newOwner)
+}
+
+// TransferOwnership is a paid mutator transaction binding the contract method 0xf2fde38b.
+//
+// Solidity: function transferOwnership(address newOwner) returns()
+func (_Distribution *DistributionSession) TransferOwnership(newOwner common.Address) (*types.Transaction, error) {
+	return _Distribution.Contract.TransferOwnership(&_Distribution.TransactOpts, newOwner)
+}
+
+// TransferOwnership is a paid mutator transaction binding the contract method 0xf2fde38b.
+//
+// Solidity: function transferOwnership(address newOwner) returns()
+func (_Distribution *DistributionTransactorSession) TransferOwnership(newOwner common.Address) (*types.Transaction, error) {
+	return _Distribution.Contract.TransferOwnership(&_Distribution.TransactOpts, newOwner)
+}
+
+// Withdraw is a paid mutator transaction binding the contract method 0xf3fef3a3.
+//
+// Solidity: function withdraw(address addr, uint256 amount) returns()
+func (_Distribution *DistributionTransactor) Withdraw(opts *bind.TransactOpts, addr common.Address, amount *big.Int) (*types.Transaction, error) {
+	return _Distribution.contract.Transact(opts, "withdraw", addr, amount)
+}
+
+// Withdraw is a paid mutator transaction binding the contract method 0xf3fef3a3.
+//
+// Solidity: function withdraw(address addr, uint256 amount) returns()
+func (_Distribution *DistributionSession) Withdraw(addr common.Address, amount *big.Int) (*types.Transaction, error) {
+	return _Distribution.Contract.Withdraw(&_Distribution.TransactOpts, addr, amount)
+}
+
+// Withdraw is a paid mutator transaction binding the contract method 0xf3fef3a3.
+//
+// Solidity: function withdraw(address addr, uint256 amount) returns()
+func (_Distribution *DistributionTransactorSession) Withdraw(addr common.Address, amount *big.Int) (*types.Transaction, error) {
+	return _Distribution.Contract.Withdraw(&_Distribution.TransactOpts, addr, amount)
+}
+
+// DistributionClaimedIterator is returned from FilterClaimed and is used to iterate over the raw logs and unpacked data for Claimed events raised by the Distribution contract.
+type DistributionClaimedIterator struct {
+	Event *DistributionClaimed // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *DistributionClaimedIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(DistributionClaimed)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(DistributionClaimed)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *DistributionClaimedIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *DistributionClaimedIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// DistributionClaimed represents a Claimed event raised by the Distribution contract.
+type DistributionClaimed struct {
+	Addr               common.Address
+	Amount             *big.Int
+	TotalClaimedAmount *big.Int
+	Raw                types.Log // Blockchain specific contextual infos
+}
+
+// FilterClaimed is a free log retrieval operation binding the contract event 0x987d620f307ff6b94d58743cb7a7509f24071586a77759b77c2d4e29f75a2f9a.
+//
+// Solidity: event Claimed(address indexed addr, uint256 indexed amount, uint256 indexed totalClaimedAmount)
+func (_Distribution *DistributionFilterer) FilterClaimed(opts *bind.FilterOpts, addr []common.Address, amount []*big.Int, totalClaimedAmount []*big.Int) (*DistributionClaimedIterator, error) {
+
+	var addrRule []interface{}
+	for _, addrItem := range addr {
+		addrRule = append(addrRule, addrItem)
+	}
+	var amountRule []interface{}
+	for _, amountItem := range amount {
+		amountRule = append(amountRule, amountItem)
+	}
+	var totalClaimedAmountRule []interface{}
+	for _, totalClaimedAmountItem := range totalClaimedAmount {
+		totalClaimedAmountRule = append(totalClaimedAmountRule, totalClaimedAmountItem)
+	}
+
+	logs, sub, err := _Distribution.contract.FilterLogs(opts, "Claimed", addrRule, amountRule, totalClaimedAmountRule)
+	if err != nil {
+		return nil, err
+	}
+	return &DistributionClaimedIterator{contract: _Distribution.contract, event: "Claimed", logs: logs, sub: sub}, nil
+}
+
+// WatchClaimed is a free log subscription operation binding the contract event 0x987d620f307ff6b94d58743cb7a7509f24071586a77759b77c2d4e29f75a2f9a.
+//
+// Solidity: event Claimed(address indexed addr, uint256 indexed amount, uint256 indexed totalClaimedAmount)
+func (_Distribution *DistributionFilterer) WatchClaimed(opts *bind.WatchOpts, sink chan<- *DistributionClaimed, addr []common.Address, amount []*big.Int, totalClaimedAmount []*big.Int) (event.Subscription, error) {
+
+	var addrRule []interface{}
+	for _, addrItem := range addr {
+		addrRule = append(addrRule, addrItem)
+	}
+	var amountRule []interface{}
+	for _, amountItem := range amount {
+		amountRule = append(amountRule, amountItem)
+	}
+	var totalClaimedAmountRule []interface{}
+	for _, totalClaimedAmountItem := range totalClaimedAmount {
+		totalClaimedAmountRule = append(totalClaimedAmountRule, totalClaimedAmountItem)
+	}
+
+	logs, sub, err := _Distribution.contract.WatchLogs(opts, "Claimed", addrRule, amountRule, totalClaimedAmountRule)
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(DistributionClaimed)
+				if err := _Distribution.contract.UnpackLog(event, "Claimed", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseClaimed is a log parse operation binding the contract event 0x987d620f307ff6b94d58743cb7a7509f24071586a77759b77c2d4e29f75a2f9a.
+//
+// Solidity: event Claimed(address indexed addr, uint256 indexed amount, uint256 indexed totalClaimedAmount)
+func (_Distribution *DistributionFilterer) ParseClaimed(log types.Log) (*DistributionClaimed, error) {
+	event := new(DistributionClaimed)
+	if err := _Distribution.contract.UnpackLog(event, "Claimed", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}
+
+// DistributionOwnershipTransferredIterator is returned from FilterOwnershipTransferred and is used to iterate over the raw logs and unpacked data for OwnershipTransferred events raised by the Distribution contract.
+type DistributionOwnershipTransferredIterator struct {
+	Event *DistributionOwnershipTransferred // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *DistributionOwnershipTransferredIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(DistributionOwnershipTransferred)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(DistributionOwnershipTransferred)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *DistributionOwnershipTransferredIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *DistributionOwnershipTransferredIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// DistributionOwnershipTransferred represents a OwnershipTransferred event raised by the Distribution contract.
+type DistributionOwnershipTransferred struct {
+	PreviousOwner common.Address
+	NewOwner      common.Address
+	Raw           types.Log // Blockchain specific contextual infos
+}
+
+// FilterOwnershipTransferred is a free log retrieval operation binding the contract event 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0.
+//
+// Solidity: event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)
+func (_Distribution *DistributionFilterer) FilterOwnershipTransferred(opts *bind.FilterOpts, previousOwner []common.Address, newOwner []common.Address) (*DistributionOwnershipTransferredIterator, error) {
+
+	var previousOwnerRule []interface{}
+	for _, previousOwnerItem := range previousOwner {
+		previousOwnerRule = append(previousOwnerRule, previousOwnerItem)
+	}
+	var newOwnerRule []interface{}
+	for _, newOwnerItem := range newOwner {
+		newOwnerRule = append(newOwnerRule, newOwnerItem)
+	}
+
+	logs, sub, err := _Distribution.contract.FilterLogs(opts, "OwnershipTransferred", previousOwnerRule, newOwnerRule)
+	if err != nil {
+		return nil, err
+	}
+	return &DistributionOwnershipTransferredIterator{contract: _Distribution.contract, event: "OwnershipTransferred", logs: logs, sub: sub}, nil
+}
+
+// WatchOwnershipTransferred is a free log subscription operation binding the contract event 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0.
+//
+// Solidity: event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)
+func (_Distribution *DistributionFilterer) WatchOwnershipTransferred(opts *bind.WatchOpts, sink chan<- *DistributionOwnershipTransferred, previousOwner []common.Address, newOwner []common.Address) (event.Subscription, error) {
+
+	var previousOwnerRule []interface{}
+	for _, previousOwnerItem := range previousOwner {
+		previousOwnerRule = append(previousOwnerRule, previousOwnerItem)
+	}
+	var newOwnerRule []interface{}
+	for _, newOwnerItem := range newOwner {
+		newOwnerRule = append(newOwnerRule, newOwnerItem)
+	}
+
+	logs, sub, err := _Distribution.contract.WatchLogs(opts, "OwnershipTransferred", previousOwnerRule, newOwnerRule)
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(DistributionOwnershipTransferred)
+				if err := _Distribution.contract.UnpackLog(event, "OwnershipTransferred", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseOwnershipTransferred is a log parse operation binding the contract event 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0.
+//
+// Solidity: event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)
+func (_Distribution *DistributionFilterer) ParseOwnershipTransferred(log types.Log) (*DistributionOwnershipTransferred, error) {
+	event := new(DistributionOwnershipTransferred)
+	if err := _Distribution.contract.UnpackLog(event, "OwnershipTransferred", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}
+
+// DistributionPausedIterator is returned from FilterPaused and is used to iterate over the raw logs and unpacked data for Paused events raised by the Distribution contract.
+type DistributionPausedIterator struct {
+	Event *DistributionPaused // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *DistributionPausedIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(DistributionPaused)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(DistributionPaused)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *DistributionPausedIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *DistributionPausedIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// DistributionPaused represents a Paused event raised by the Distribution contract.
+type DistributionPaused struct {
+	Account common.Address
+	Raw     types.Log // Blockchain specific contextual infos
+}
+
+// FilterPaused is a free log retrieval operation binding the contract event 0x62e78cea01bee320cd4e420270b5ea74000d11b0c9f74754ebdbfc544b05a258.
+//
+// Solidity: event Paused(address account)
+func (_Distribution *DistributionFilterer) FilterPaused(opts *bind.FilterOpts) (*DistributionPausedIterator, error) {
+
+	logs, sub, err := _Distribution.contract.FilterLogs(opts, "Paused")
+	if err != nil {
+		return nil, err
+	}
+	return &DistributionPausedIterator{contract: _Distribution.contract, event: "Paused", logs: logs, sub: sub}, nil
+}
+
+// WatchPaused is a free log subscription operation binding the contract event 0x62e78cea01bee320cd4e420270b5ea74000d11b0c9f74754ebdbfc544b05a258.
+//
+// Solidity: event Paused(address account)
+func (_Distribution *DistributionFilterer) WatchPaused(opts *bind.WatchOpts, sink chan<- *DistributionPaused) (event.Subscription, error) {
+
+	logs, sub, err := _Distribution.contract.WatchLogs(opts, "Paused")
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(DistributionPaused)
+				if err := _Distribution.contract.UnpackLog(event, "Paused", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParsePaused is a log parse operation binding the contract event 0x62e78cea01bee320cd4e420270b5ea74000d11b0c9f74754ebdbfc544b05a258.
+//
+// Solidity: event Paused(address account)
+func (_Distribution *DistributionFilterer) ParsePaused(log types.Log) (*DistributionPaused, error) {
+	event := new(DistributionPaused)
+	if err := _Distribution.contract.UnpackLog(event, "Paused", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}
+
+// DistributionUnpausedIterator is returned from FilterUnpaused and is used to iterate over the raw logs and unpacked data for Unpaused events raised by the Distribution contract.
+type DistributionUnpausedIterator struct {
+	Event *DistributionUnpaused // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *DistributionUnpausedIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(DistributionUnpaused)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(DistributionUnpaused)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *DistributionUnpausedIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *DistributionUnpausedIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// DistributionUnpaused represents a Unpaused event raised by the Distribution contract.
+type DistributionUnpaused struct {
+	Account common.Address
+	Raw     types.Log // Blockchain specific contextual infos
+}
+
+// FilterUnpaused is a free log retrieval operation binding the contract event 0x5db9ee0a495bf2e6ff9c91a7834c1ba4fdd244a5e8aa4e537bd38aeae4b073aa.
+//
+// Solidity: event Unpaused(address account)
+func (_Distribution *DistributionFilterer) FilterUnpaused(opts *bind.FilterOpts) (*DistributionUnpausedIterator, error) {
+
+	logs, sub, err := _Distribution.contract.FilterLogs(opts, "Unpaused")
+	if err != nil {
+		return nil, err
+	}
+	return &DistributionUnpausedIterator{contract: _Distribution.contract, event: "Unpaused", logs: logs, sub: sub}, nil
+}
+
+// WatchUnpaused is a free log subscription operation binding the contract event 0x5db9ee0a495bf2e6ff9c91a7834c1ba4fdd244a5e8aa4e537bd38aeae4b073aa.
+//
+// Solidity: event Unpaused(address account)
+func (_Distribution *DistributionFilterer) WatchUnpaused(opts *bind.WatchOpts, sink chan<- *DistributionUnpaused) (event.Subscription, error) {
+
+	logs, sub, err := _Distribution.contract.WatchLogs(opts, "Unpaused")
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(DistributionUnpaused)
+				if err := _Distribution.contract.UnpackLog(event, "Unpaused", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseUnpaused is a log parse operation binding the contract event 0x5db9ee0a495bf2e6ff9c91a7834c1ba4fdd244a5e8aa4e537bd38aeae4b073aa.
+//
+// Solidity: event Unpaused(address account)
+func (_Distribution *DistributionFilterer) ParseUnpaused(log types.Log) (*DistributionUnpaused, error) {
+	event := new(DistributionUnpaused)
+	if err := _Distribution.contract.UnpackLog(event, "Unpaused", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}

dao/dao.go

+package dao
+
+import (
+	"claim-monitor/config"
+	dbmodel "claim-monitor/model/db"
+	"fmt"
+	"time"
+
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/rpc"
+	"gorm.io/driver/mysql"
+	_ "gorm.io/driver/mysql"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+	"gorm.io/gorm/schema"
+)
+
+type Dao struct {
+	c         *config.Config
+	ethClient *ethclient.Client
+	ethRPC    *rpc.Client
+	db        *gorm.DB
+}
+
+func New(_c *config.Config) (dao *Dao, err error) {
+	dao = &Dao{
+		c: _c,
+	}
+	dao.ethClient, err = ethclient.Dial(_c.Chain.RPC)
+	if err != nil {
+		return
+	}
+	dao.ethRPC, err = rpc.Dial(_c.Chain.RPC)
+	if err != nil {
+		return
+	}
+	dsn := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8mb4&parseTime=True",
+		_c.Mysql.User, _c.Mysql.Password, _c.Mysql.Host, _c.Mysql.Port, _c.Mysql.Database)
+	dao.db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{
+		NamingStrategy: schema.NamingStrategy{
+			SingularTable: true,
+		},
+		Logger: logger.Default.LogMode(logger.Silent),
+	})
+	if err != nil {
+		return
+	}
+	sqlDB, err := dao.db.DB()
+	if err != nil {
+		return
+	}
+	sqlDB.SetMaxOpenConns(_c.Mysql.MaxConn)
+	sqlDB.SetMaxIdleConns(_c.Mysql.MaxIdleConn)
+	sqlDB.SetConnMaxIdleTime(time.Hour)
+	if _c.Mysql.Migrate {
+		err = dao.db.AutoMigrate(&dbmodel.Height{}, &dbmodel.Record{})
+		if err != nil {
+			return
+		}
+	}
+
+	return dao, nil
+}

dao/db.go

+package dao
+
+import (
+	dbmodel "claim-monitor/model/db"
+	"strings"
+
+	"github.com/shopspring/decimal"
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+)
+
+// CreateRecord 创建领取记录
+func (d *Dao) CreateRecord(record *dbmodel.Record) (err error) {
+	record.Address = strings.ToLower(record.Address)
+	return d.db.Clauses(clause.OnConflict{DoNothing: true}).Create(record).Error
+}
+
+// GetRecord 获取领取记录
+func (d *Dao) GetRecord(address string, page, pageSize int) (records []*dbmodel.Record, total int64, err error) {
+	address = strings.ToLower(address)
+	err = d.db.Model(&dbmodel.Record{}).Where("address = ?", address).Count(&total).Error
+	if err != nil {
+		return
+	}
+
+	err = d.db.Model(&dbmodel.Record{}).
+		Where("address = ?", address).
+		Order("`id` desc").
+		Offset((page - 1) * pageSize).
+		Limit(pageSize).
+		Find(&records).Error
+
+	return
+}
+
+func (d *Dao) GetClaimedAmount(address string) (amt *decimal.Decimal, err error) {
+	address = strings.ToLower(address)
+	amt = new(decimal.Decimal)
+
+	err = d.db.Model(&dbmodel.Record{}).
+		Where("address = ?", address).
+		Select("sum(claimed_amount) as claimed_amount").
+		Scan(amt).Error
+	return
+}
+
+// GetStorageHeight 获取上次缓存的高度
+func (d *Dao) GetStorageHeight(key string) (value int, err error) {
+	storage := new(dbmodel.Height)
+	err = d.db.Model(storage).Where("`key` = ?", key).First(storage).Error
+	if err == gorm.ErrRecordNotFound {
+		return 1, nil
+	}
+	return storage.IntValue, err
+}
+
+// SetStorageHeight 设置上次缓存的高度
+func (d *Dao) SetStorageHeight(key string, intValue int) (err error) {
+	ret := d.db.Model(&dbmodel.Height{}).Where("`key` = ?", key).Update("int_value", intValue)
+	if ret.Error != nil {
+		return
+	}
+	if ret.RowsAffected == 0 {
+		err = d.db.Create(&dbmodel.Height{
+			Key:      key,
+			IntValue: intValue,
+		}).Error
+	}
+	return
+}

dao/eth.go

+package dao
+
+import (
+	"context"
+	"math/big"
+	"time"
+
+	"github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+)
+
+func (d *Dao) GetBlockHeight(behindBlock ...int) (height int, err error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	n, err := d.ethClient.BlockNumber(ctx)
+	if len(behindBlock) > 0 {
+		n -= uint64(behindBlock[0])
+		if n < 0 {
+			n = 0
+		}
+	}
+	return int(n), err
+}
+
+func (d *Dao) GetLatestBockHash() (hash string, err error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	block, err := d.ethClient.BlockByNumber(ctx, nil)
+	if err != nil {
+		return
+	}
+	return block.Hash().Hex(), nil
+}
+
+func (d *Dao) GetBlockTime(height int) (timestamp int, err error) {
+	for i := 0; i < 2; i++ {
+		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+		block, err := d.ethClient.BlockByNumber(ctx, big.NewInt(int64(height)))
+		if err == nil {
+			return int(block.Time()), nil
+		}
+	}
+	return
+}
+
+func (d *Dao) GetLogs(beginHeight, endHeight int, topics []string) (logs []types.Log, err error) {
+	for i := 0; i < 2; i++ {
+		// 重试2次
+		logs, err = d.getLogs(beginHeight, endHeight, topics)
+		if err == nil {
+			return logs, nil
+		}
+	}
+	return
+}
+
+func (d *Dao) getLogs(beginHeight, endHeight int, topics []string) (logs []types.Log, err error) {
+	q := ethereum.FilterQuery{
+		FromBlock: big.NewInt(int64(beginHeight)),
+		ToBlock:   big.NewInt(int64(endHeight)),
+		Topics:    [][]common.Hash{{}},
+	}
+	for _, topic := range topics {
+		q.Topics[0] = append(q.Topics[0], common.HexToHash(topic))
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+	return d.ethClient.FilterLogs(ctx, q)
+}

dao/http.go

+package dao
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+)
+
+func (d *Dao) RequestMetadata(endpoint string) (isImage bool, format string, data []byte, err error) {
+	if strings.HasPrefix(endpoint, "ipfs://") {
+		endpoint = d.c.IPFS.Gateway + endpoint[7:]
+	}
+	_url, err := url.Parse(endpoint)
+	if err != nil {
+		return
+	}
+	req := &http.Request{
+		Method: http.MethodGet,
+		URL:    _url,
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+	defer cancel()
+
+	resp, err := http.DefaultClient.Do(req.WithContext(ctx))
+	if err != nil {
+		return
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		err = fmt.Errorf("request metadata error: status_code %s", resp.Status)
+		return false, "", nil, nil
+	}
+
+	// 暂时只判断json和image
+	contentType := resp.Header.Get("Content-Type")
+	_sps := strings.SplitN(contentType, "/", 2)
+	if len(_sps) != 2 {
+		err = fmt.Errorf("invalid content type: %s", contentType)
+		return
+	}
+
+	// 允许以下mime type
+	if !strings.HasPrefix(contentType, "image/") &&
+		!strings.HasPrefix(contentType, "application/json") &&
+		!strings.HasPrefix(contentType, "text/plain") &&
+		!strings.HasPrefix(contentType, "text/html") &&
+		!strings.HasPrefix(contentType, "application/octet-stream") {
+		err = fmt.Errorf("invalid content type: %s", contentType)
+		return
+	}
+
+	// 通过文件后缀确定格式
+	if contentType == "application/octet-stream" {
+		if strings.HasSuffix(_url.Path, ".jpg") ||
+			strings.HasSuffix(_url.Path, ".jpeg") ||
+			strings.HasSuffix(_url.Path, ".png") ||
+			strings.HasSuffix(_url.Path, ".gif") {
+			isImage = true
+			contentType = _url.Path[strings.LastIndex(_url.Path, ".")+1:]
+		} else {
+			err = fmt.Errorf("invalid content type: %s", contentType)
+			return false, "", nil, err
+		}
+	}
+
+	mime, format := _sps[0], _sps[1]
+	if mime == "image" {
+		isImage = true
+	}
+
+	data, err = io.ReadAll(resp.Body)
+	return
+}

docker-compose.yml

+version: "3.5"
+networks:
+  default:
+    name: claim-monitor
+
+services:
+  db:
+    image: mysql:8
+    ports:
+      - "3306:3306"
+    volumes:
+      - ./data:/var/lib/mysql
+      - ./mysql-config:/etc/mysql
+    environment:
+      MYSQL_ROOT_PASSWORD: "XN2UARuys3zy4Oux"
+      MYSQL_DATABASE: "agi"
+  sync:
+    image: claim-monitor:latest
+    depends_on:
+      - db
+    command:
+      - "/bin/sh"
+      - "-c"
+      - "/usr/bin/sync -c config.toml --migrate"
+  api:
+    image: claim-monitor:latest
+    ports:
+      - "8080:8080"
+    depends_on:
+      - db
+      - sync
+    command:
+      - "/bin/sh"
+      - "-c"
+      - "/usr/bin/api -c config.toml"
+

go.mod

+module claim-monitor
+
+go 1.21.4
+
+require (
+	github.com/BurntSushi/toml v1.3.2
+	github.com/aws/aws-sdk-go v1.52.5
+	github.com/disintegration/imaging v1.6.2
+	github.com/ethereum/go-ethereum v1.14.2
+	github.com/gin-contrib/cors v1.7.2
+	github.com/gin-gonic/gin v1.10.0
+	github.com/sirupsen/logrus v1.9.3
+	github.com/tidwall/gjson v1.17.1
+	gorm.io/driver/mysql v1.5.6
+	gorm.io/gorm v1.25.10
+)
+
+require (
+	github.com/Microsoft/go-winio v0.6.1 // indirect
+	github.com/StackExchange/wmi v1.2.1 // indirect
+	github.com/bits-and-blooms/bitset v1.10.0 // indirect
+	github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
+	github.com/bytedance/sonic v1.11.6 // indirect
+	github.com/bytedance/sonic/loader v0.1.1 // indirect
+	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/consensys/bavard v0.1.13 // indirect
+	github.com/consensys/gnark-crypto v0.12.1 // indirect
+	github.com/crate-crypto/go-kzg-4844 v1.0.0 // indirect
+	github.com/deckarep/golang-set/v2 v2.1.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
+	github.com/ethereum/c-kzg-4844 v1.0.0 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.20.0 // indirect
+	github.com/go-sql-driver/mysql v1.7.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/holiman/uint256 v1.2.4 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mmcloughlin/addchain v0.4.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
+	github.com/shopspring/decimal v1.4.0 // indirect
+	github.com/supranational/blst v0.3.11 // indirect
+	github.com/tidwall/match v1.1.1 // indirect
+	github.com/tidwall/pretty v1.2.0 // indirect
+	github.com/tklauser/go-sysconf v0.3.12 // indirect
+	github.com/tklauser/numcpus v0.6.1 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.12 // indirect
+	golang.org/x/arch v0.8.0 // indirect
+	golang.org/x/crypto v0.23.0 // indirect
+	golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8 // indirect
+	golang.org/x/mod v0.17.0 // indirect
+	golang.org/x/net v0.25.0 // indirect
+	golang.org/x/sync v0.7.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
+	golang.org/x/text v0.15.0 // indirect
+	golang.org/x/tools v0.20.0 // indirect
+	google.golang.org/protobuf v1.34.1 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	rsc.io/tmplfunc v0.0.3 // indirect
+)

go.sum

+github.com/BurntSushi/toml v1.3.2 h1:o7IhLm0Msx3BaB+n3Ag7L8EVlByGnpq14C4YWiu/gL8=
+github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/DataDog/zstd v1.4.5 h1:EndNeuB0l9syBZhut0wns3gV1hL8zX8LIu6ZiVHWLIQ=
+github.com/DataDog/zstd v1.4.5/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
+github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
+github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
+github.com/StackExchange/wmi v1.2.1 h1:VIkavFPXSjcnS+O8yTq7NI32k0R5Aj+v39y29VYDOSA=
+github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8=
+github.com/VictoriaMetrics/fastcache v1.12.1 h1:i0mICQuojGDL3KblA7wUNlY5lOK6a4bwt3uRKnkZU40=
+github.com/VictoriaMetrics/fastcache v1.12.1/go.mod h1:tX04vaqcNoQeGLD+ra5pU5sWkuxnzWhEzLwhP9w653o=
+github.com/aws/aws-sdk-go v1.52.5 h1:m2lty5v9sHm1J3lhA43hJql+yKZudF09qzab0Ag9chM=
+github.com/aws/aws-sdk-go v1.52.5/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
+github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/bits-and-blooms/bitset v1.10.0 h1:ePXTeiPEazB5+opbv5fr8umg2R/1NlzgDsyepwsSr88=
+github.com/bits-and-blooms/bitset v1.10.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
+github.com/btcsuite/btcd/btcec/v2 v2.2.0 h1:fzn1qaOt32TuLjFlkzYSsBC35Q3KUjT1SwPxiMSCF5k=
+github.com/btcsuite/btcd/btcec/v2 v2.2.0/go.mod h1:U7MHm051Al6XmscBQ0BoNydpOTsFAn707034b5nY8zU=
+github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
+github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
+github.com/bytedance/sonic v1.11.6 h1:oUp34TzMlL+OY1OUWxHqsdkgC/Zfc85zGqw9siXjrc0=
+github.com/bytedance/sonic v1.11.6/go.mod h1:LysEHSvpvDySVdC2f87zGWf6CIKJcAvqab1ZaiQtds4=
+github.com/bytedance/sonic/loader v0.1.1 h1:c+e5Pt1k/cy5wMveRDyk2X4B9hF4g7an8N3zCYjJFNM=
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+github.com/cespare/cp v0.1.0 h1:SE+dxFebS7Iik5LK0tsi1k9ZCxEaFX4AjQmoyA+1dJk=
+github.com/cespare/cp v0.1.0/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
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+github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06 h1:zuQyyAKVxetITBuuhv3BI9cMrmStnpT18zmgmTxunpo=
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model/db/db.go

+package dbmodel
+
+import (
+	"time"
+
+	"github.com/shopspring/decimal"
+	"gorm.io/gorm"
+)
+
+type Record struct {
+	ID            uint            `gorm:"primaryKey"`
+	TxHash        string          `gorm:"type:varchar(255);uniqueIndex;not null;comment:交易hash"`
+	Address       string          `gorm:"type:varchar(255);not null;comment:用户地址"`
+	ClaimedAmount decimal.Decimal `gorm:"type:decimal(65,0);not null;comment:领取数量"`
+	TotalAmount   decimal.Decimal `gorm:"type:decimal(65,0);not null;comment:总奖励数量"`
+	Timestamp     int64           `gorm:"not null;comment:领取区块时间"`
+	CreatedAt     time.Time
+	UpdatedAt     time.Time
+	DeletedAt     gorm.DeletedAt `gorm:"index"`
+}
+
+type Height struct {
+	Key      string `gorm:"primaryKey"`
+	IntValue int    `gorm:"type:int;not null"` // 配置value
+}

model/http/request.go

+package http

model/http/response.go

+package http
+
+type GetRecordResponse struct {
+	Records    []Record `json:"records"`
+	TotalCount int      `json:"totalCount"`
+}
+
+type Record struct {
+	TxHash    string `json:"txHash"`
+	Date      string `json:"date"`
+	Timestamp int    `json:"timestamp"`
+	Amount    string `json:"amount"`
+}
+
+type GetClaimedResponse struct {
+	Claimed string `json:"claimed"`
+}

readme.md

+# claim-monitor
\ No newline at end of file

server/api.go

+package server
+
+import (
+	"claim-monitor/config"
+	"claim-monitor/service"
+
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin"
+	log "github.com/sirupsen/logrus"
+)
+
+var srv *service.Service
+var conf *config.Config
+
+func Run(_srv *service.Service, _conf *config.Config) {
+	srv = _srv
+	conf = _conf
+	if !conf.Debug {
+		gin.SetMode(gin.ReleaseMode)
+	}
+	engine := gin.New()
+	engine.Use(gin.Recovery())
+
+	_cors := cors.DefaultConfig()
+	_cors.AllowAllOrigins = true
+	engine.Use(cors.New(_cors))
+
+	router(engine)
+	log.Infof("start http server listening %s", conf.Server.Listen)
+	if err := engine.Run(conf.Server.Listen); err != nil {
+		log.Error("http server run error: ", err)
+	}
+}

server/claim.go

+package server
+
+import (
+	"strconv"
+
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/gin-gonic/gin"
+)
+
+func getClaimed(c *gin.Context) {
+	address := c.Query("address")
+
+	if _, err := hexutil.Decode(address); err != nil || len(address) != 42 {
+		c.JSON(200, withError("invalid params"))
+		return
+	}
+
+	resp, err := srv.GetClaimed(address)
+	if err != nil {
+		c.JSON(200, withError("internal error"))
+		return
+	}
+
+	c.JSON(200, withSuccess(resp))
+}
+
+func getRecord(c *gin.Context) {
+	address := c.Query("address")
+
+	if _, err := hexutil.Decode(address); err != nil || len(address) != 42 {
+		c.JSON(200, withError("invalid params"))
+		return
+	}
+
+	pageSize, _ := strconv.Atoi(c.Query("pageSize"))
+	if pageSize > 100 || pageSize < 1 { // 默认每页100条
+		pageSize = 100
+	}
+	page, _ := strconv.Atoi(c.Query("page"))
+	if page < 1 {
+		page = 1
+	}
+
+	resp, err := srv.GetRecord(address, page, pageSize)
+	if err != nil {
+		c.JSON(200, withError("internal error"))
+		return
+	}
+
+	c.JSON(200, withSuccess(resp))
+}
+
+func withSuccess(data interface{}) interface{} {
+	return map[string]interface{}{
+		"code": 0,
+		"msg":  "ok",
+		"data": data,
+	}
+}
+
+func withError(msg string) interface{} {
+	return map[string]interface{}{
+		"code":  1,
+		"msg":   "",
+		"error": msg,
+	}
+}

server/router.go

+package server
+
+import (
+	"github.com/gin-gonic/gin"
+)
+
+func router(router gin.IRouter) {
+	api := router.Group("/api/v1")
+	{
+		api.GET("/record", getRecord)
+		api.GET("/claimed", getClaimed)
+	}
+
+}

service/claim.go

+package service
+
+import (
+	"claim-monitor/model/http"
+	"fmt"
+	"math/big"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+)
+
+func (srv *Service) GetRecord(address string, page, pageSize int) (resp *http.GetRecordResponse, err error) {
+	resp = new(http.GetRecordResponse)
+	records, totalCount, err := srv.d.GetRecord(address, page, pageSize)
+	if err != nil {
+		log.WithField("address", address).WithError(err).Error("failed to get contract")
+		return
+	}
+	ether := big.NewInt(1000000000000000000)
+	for _, record := range records {
+		amt, _ := big.NewFloat(0).Quo(
+			big.NewFloat(0).SetInt(record.ClaimedAmount.BigInt()),
+			big.NewFloat(0).SetInt(ether),
+		).Float64()
+		resp.Records = append(resp.Records, http.Record{
+			TxHash:    record.TxHash,
+			Date:      time.Unix(record.Timestamp, 0).UTC().Format("2006-01-02 15:04:05"),
+			Timestamp: int(record.Timestamp),
+			Amount:    fmt.Sprintf("%.6f", amt),
+		})
+	}
+
+	resp.TotalCount = int(totalCount)
+	return
+}
+
+func (srv *Service) GetClaimed(address string) (resp *http.GetClaimedResponse, err error) {
+	resp = new(http.GetClaimedResponse)
+
+	claimed, err := srv.d.GetClaimedAmount(address)
+	if err != nil {
+		log.WithField("address", address).WithError(err).Error("failed to get claimed")
+		return
+	}
+
+	ether := big.NewInt(1000000000000000000)
+	amt, _ := big.NewFloat(0).Quo(
+		big.NewFloat(0).SetInt(claimed.BigInt()),
+		big.NewFloat(0).SetInt(ether),
+	).Float64()
+
+	resp.Claimed = fmt.Sprintf("%.6f", amt)
+	return
+}

service/service.go

+package service
+
+import (
+	"claim-monitor/config"
+	"claim-monitor/dao"
+)
+
+type Service struct {
+	c *config.Config
+	d *dao.Dao
+}
+
+func New(_c *config.Config, _d *dao.Dao) (service *Service) {
+	service = &Service{
+		c: _c,
+		d: _d,
+	}
+	return service
+}

sync/claim.go

+package sync
+
+import (
+	dbmodel "claim-monitor/model/db"
+	"strings"
+	"time"
+
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/shopspring/decimal"
+	log "github.com/sirupsen/logrus"
+	"gorm.io/gorm"
+)
+
+func (s *Sync) SyncClaimed(beginHeight, endHeight int) {
+	if endHeight < 0 {
+		return
+	}
+
+	if beginHeight < 0 {
+		beginHeight = 0
+	}
+	claimTopics := []string{ClaimedTopic}
+	logs, err := s.d.GetLogs(beginHeight, endHeight, claimTopics)
+	if err != nil {
+		log.WithFields(log.Fields{"begin": beginHeight, "end": endHeight}).WithError(err).Error("rpc: get logs")
+		return
+	}
+
+	for _, txLog := range logs {
+		s.FilterClaimed(txLog)
+	}
+}
+
+func (s *Sync) FilterClaimed(txLog types.Log) {
+	if len(txLog.Topics) == 0 {
+		return
+	}
+
+	claimedLog, err := s.ca.ParseClaimed(txLog)
+	if err != nil {
+		log.WithError(err).Error("parse claimed log")
+		return
+	}
+	claimedAmount := decimal.NewFromBigInt(claimedLog.Amount, 0)
+	totalAmount := decimal.NewFromBigInt(claimedLog.TotalClaimedAmount, 0)
+
+	timestamp, err := s.d.GetBlockTime(int(txLog.BlockNumber))
+	if err != nil {
+		log.WithError(err).Error("get block time")
+		return
+	}
+
+	r := &dbmodel.Record{
+		TxHash:        txLog.TxHash.Hex(),
+		Address:       strings.ToLower(txLog.Address.String()),
+		ClaimedAmount: claimedAmount,
+		TotalAmount:   totalAmount,
+		Timestamp:     int64(timestamp),
+		CreatedAt:     time.Time{},
+		UpdatedAt:     time.Time{},
+		DeletedAt:     gorm.DeletedAt{},
+	}
+
+	err = s.d.CreateRecord(r)
+	if err != nil {
+		log.WithError(err).Error("create record")
+		return
+	}
+
+	log.WithFields(log.Fields{
+		"tx":      r.TxHash,
+		"address": r.Address,
+		"amount":  r.ClaimedAmount,
+	}).Info("sync claimed record")
+
+}

sync/sync.go

+package sync
+
+import (
+	"claim-monitor/config"
+	"claim-monitor/contract"
+	"claim-monitor/dao"
+	"flag"
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	log "github.com/sirupsen/logrus"
+)
+
+var (
+	ClaimedTopic = crypto.Keccak256Hash([]byte("Claimed(address, uint256,uint256)")).Hex()
+
+	LastBlockKey = "last_block"
+	BehindBlock  = 1
+)
+
+type Sync struct {
+	c  *config.Config
+	d  *dao.Dao
+	ca *contract.Distribution
+}
+
+var manualSync = flag.Int("sync", 0, "sync block height")
+
+func New(_c *config.Config, _d *dao.Dao) (sync *Sync) {
+	sync = &Sync{
+		c: _c,
+		d: _d,
+	}
+
+	ca, err := contract.NewDistribution(common.HexToAddress(sync.c.Chain.DistributionAddress), nil)
+	if err != nil {
+		panic(err)
+	}
+	sync.ca = ca
+
+	return sync
+}
+
+func (s *Sync) Start() {
+	lastHeight, err := s.d.GetStorageHeight(LastBlockKey)
+	if err != nil {
+		log.WithError(err).Error("get last block height")
+		return
+	}
+
+	if lastHeight != 1 {
+		// 数据库里保存的是已完成的区块, 再次同步时+1
+		lastHeight++
+	}
+
+	if *manualSync > 0 {
+		lastHeight = *manualSync
+	}
+
+	log.WithField("height", lastHeight).Info("last sync block height")
+
+	var latestHeight int
+	var beginHeight = lastHeight
+	var endHeight = beginHeight + s.c.BatchSize
+
+	for {
+		latestHeight, err = s.d.GetBlockHeight(BehindBlock)
+		if err != nil {
+			log.WithError(err).Error("get latest block height")
+			return
+		}
+		if (latestHeight-s.c.BatchSize)-beginHeight < s.c.BatchSize+1 {
+			time.Sleep(20 * time.Second)
+			continue
+		}
+		s.SyncClaimed(beginHeight-s.c.BatchSize, endHeight-s.c.BatchSize)
+
+		if err = s.d.SetStorageHeight(LastBlockKey, endHeight); err != nil {
+			log.WithError(err).Error("set last block height")
+		}
+
+		beginHeight = endHeight + 1
+		endHeight = beginHeight + s.c.BatchSize
+		log.WithFields(log.Fields{
+			"begin height":  beginHeight,
+			"end height":    endHeight,
+			"latest height": latestHeight,
+		}).Info("sync block height")
+	}
+}