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
import { Address, prepareWriteContract } from '@wagmi/core'
import { formatBytes32String } from 'ethers/lib/utils.js'
import { ATTESTATION_STATION_ADDRESS } from '../constants/attestationStationAddress'
import { WagmiBytes } from '../types/WagmiBytes'
import { abi } from './abi'
import { createValue } from './createValue'
type Attestation = {
about: Address
key: string
value: string | WagmiBytes | number | boolean
}
export const prepareWriteAttestations = async (
attestations: Attestation[],
chainId: number | undefined = undefined,
contractAddress: Address = ATTESTATION_STATION_ADDRESS
) => {
const formattedAttestations = attestations.map((attestation) => {
let formattedKey: WagmiBytes
try {
formattedKey = formatBytes32String(attestation.key) as WagmiBytes
} catch (e) {
console.error(e)
throw new Error(
`key is longer than 32 bytes: ${attestation.key}. Try using a shorter key or using 'encodeRawKey' to encode the key into 32 bytes first`
)
}
const formattedValue = createValue(attestation.value) as WagmiBytes
return {
about: attestation.about,
key: formattedKey,
val: formattedValue,
} as const
})
return prepareWriteContract({
address: contractAddress,
abi,
functionName: 'attest',
chainId,
args: [formattedAttestations],
})
}