test running entirely on chain

mipsevm/minievm.go

@@ -49,8 +49,10 @@ func (s *StateDB) AddLog(log *types.Log) {
 			//fmt.Printf("R: %x -> %x\n", bytesTo32(log.Data[0:32]), bytesTo32(log.Data[32:]))
 		} else if log.Topics[0] == common.HexToHash("0x486ca368095cbbef9046ac7858bec943e866422cc388f49da1aa3aa77c10aa35") {
 			fmt.Printf("W: %x <- %x\n", bytesTo32(log.Data[0:32]), bytesTo32(log.Data[32:]))
+		} else if log.Topics[0] == common.HexToHash("0x86b89b5c9818dbbf520dd979a5f250d357508fe11b9511d4a43fd9bc6aa1be70") {
+			fmt.Println("state", common.BytesToHash(log.Data))
 		} else {
-			//fmt.Println("AddLog", log.Topics, log.Data)
+			fmt.Println("AddLog", log.Topics, log.Data)
 		}
 	}
 }

mipsevm/mips_chain_test.go

+package main
+
+import (
+	"fmt"
+	"log"
+	"math/big"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+)
+
+func TestMipsChain(t *testing.T) {
+	// only need one ram
+	ram := LoadRam()
+	root := RamToTrie(ram)
+
+	interpreter, statedb := GetInterpreter(1, true)
+	DeployChain(interpreter, statedb)
+
+	// load chain trie node
+	for _, v := range Preimages {
+		//fmt.Println("AddTrieNode", k)
+		AddTrieNode(v, interpreter, statedb)
+	}
+
+	steps := 50
+	input := crypto.Keccak256Hash([]byte("Steps(bytes32,uint256)")).Bytes()[:4]
+	input = append(input, root.Bytes()...)
+	input = append(input, common.BigToHash(big.NewInt(int64(steps))).Bytes()...)
+	dat, gasUsed, err := RunWithInputAndGas(interpreter, statedb, input, uint64(steps*10000000))
+
+	if err != nil {
+		if len(dat) >= 0x24 {
+			fmt.Println(string(dat[0x24:]))
+		}
+		log.Fatal(err)
+	} else {
+		root = common.BytesToHash(dat)
+		fmt.Println("new state root", root, "gas used", gasUsed)
+	}
+}