@hyperlane-xyz/core
Version:
Core solidity contracts for Hyperlane
59 lines (54 loc) • 1.62 kB
text/typescript
import { readContracts } from '@wagmi/core'
import { ATTESTATION_STATION_ADDRESS } from '../constants/attestationStationAddress'
import type { AttestationReadParams } from '../types/AttestationReadParams'
import { DEFAULT_DATA_TYPE } from '../types/DataTypeOption'
import type { WagmiBytes } from '../types/WagmiBytes'
import { abi } from './abi'
import { createKey } from './createKey'
import { parseAttestationBytes } from './parseAttestationBytes'
/**
* reads attestations from the attestation station contract
*
* @returns an array of attestation values
* @throws Error if key is longer than 32 bytes
* @example
* const attestations = await readAttestations(
* {
* creator: creatorAddress,
* about: aboutAddress,
* key: 'my_key',
* },
* {
* creator: creatorAddress2,
* about: aboutAddress2,
* key: 'my_key',
* dataType: 'number',
* contractAddress: '0x1234',
* },
* )
*/
export const readAttestations = async (
...attestationReads: Array<AttestationReadParams>
) => {
const calls = attestationReads.map((attestation) => {
const {
creator,
about,
key,
contractAddress = ATTESTATION_STATION_ADDRESS,
} = attestation
return {
address: contractAddress,
abi,
functionName: 'attestations',
args: [creator, about, createKey(key) as WagmiBytes],
} as const
})
const results = await readContracts({
contracts: calls,
})
return results.map((dataBytes, i) => {
const dataType = attestationReads[i].dataType ?? DEFAULT_DATA_TYPE
return parseAttestationBytes(dataBytes, dataType)
})
}