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import { task } from 'hardhat/config'
import * as types from 'hardhat/internal/core/params/argumentTypes'
const getFullyQualifiedName = (
sourceName: string,
contractName: string
): string => {
return `${sourceName}:${contractName}`
}
task('inspect')
.addPositionalParam(
'contractName',
'Name of the contract to inspect',
undefined,
types.string,
false
)
.addPositionalParam(
'field',
'Compiler output field to inspect',
undefined,
types.string,
false
)
.setAction(async (args, hre) => {
const artifact = await hre.artifacts.readArtifact(args.contractName)
const fqn = getFullyQualifiedName(
artifact.sourceName,
artifact.contractName
)
const buildInfo = await hre.artifacts.getBuildInfo(fqn)
const info =
buildInfo.output.contracts[artifact.sourceName][artifact.contractName]
if (!info) {
throw new Error(`Cannot find build info for ${fqn}`)
}
try {
switch (args.field) {
case 'abi': {
const abi = info.abi
console.log(JSON.stringify(abi, null, 2))
break
}
case 'bytecode': {
const bytecode = info.evm.bytecode.object
console.log('0x' + bytecode)
break
}
case 'deployedBytecode': {
const bytecode = info.evm.deployedBytecode.object
console.log('0x' + bytecode)
break
}
case 'storageLayout': {
const storageLayout = (info as any).storageLayout
console.log(JSON.stringify(storageLayout, null, 2))
break
}
case 'methodIdentifiers': {
const methodIdentifiers = info.evm.methodIdentifiers
console.log(JSON.stringify(methodIdentifiers, null, 2))
break
}
default: {
console.log(
JSON.stringify(
{
error: `Unsupported field ${args.field}`,
},
null,
2
)
)
break
}
}
} catch (e) {
console.log(
JSON.stringify(
{
error: `Cannot find ${args.field}, be sure to enable it in compiler settings`,
},
null,
2
)
)
}
})