1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
import {
ethers,
ContractFactory,
Signer,
providers,
Contract,
constants,
} from 'ethers'
import { Interface } from 'ethers/lib/utils'
export const getContractDefinition = (name: string, ovm?: boolean): any => {
// We import this using `require` because hardhat tries to build this file when compiling
// the contracts, but we need the contracts to be compiled before the contract-artifacts.ts
// file can be generated.
// eslint-disable-next-line @typescript-eslint/no-var-requires
const { getContractArtifact } = require('./contract-artifacts')
const artifact = getContractArtifact(name, ovm)
if (artifact === undefined) {
throw new Error(`Unable to find artifact for contract: ${name}`)
}
return artifact
}
export const getContractInterface = (
name: string,
ovm?: boolean
): Interface => {
const definition = getContractDefinition(name, ovm)
return new ethers.utils.Interface(definition.abi)
}
export const getContractFactory = (
name: string,
signer?: Signer,
ovm?: boolean
): ContractFactory => {
const definition = getContractDefinition(name, ovm)
const contractInterface = getContractInterface(name, ovm)
return new ContractFactory(contractInterface, definition.bytecode, signer)
}
export const loadContract = (
name: string,
address: string,
provider: providers.JsonRpcProvider
): Contract => {
return new Contract(address, getContractInterface(name) as any, provider)
}
export const loadContractFromManager = async (args: {
name: string
proxy?: string
Lib_AddressManager: Contract
provider: providers.JsonRpcProvider
}): Promise<Contract> => {
const { name, proxy, Lib_AddressManager, provider } = args
const address = await Lib_AddressManager.getAddress(proxy ? proxy : name)
if (address === constants.AddressZero) {
throw new Error(
`Lib_AddressManager does not have a record for a contract named: ${name}`
)
}
return loadContract(name, address, provider)
}