beamable-network-depin/dist/features/worker/worker-metadata-account.js

Beamable DePIN SDK for Solana blockchain interactions

import { addCodecSizePrefix, getAddressCodec, getAddressEncoder, getBase58Codec, getOptionCodec, getProgramDerivedAddress, getStructCodec, getU32Codec, getU64Codec, getUtf8Codec } from "gill";
import { DEPIN_PROGRAM, METADATA_SEED, WORKER_SEED } from "../../constants.js";
import { DepinAccountType } from "../../enums.js";
const addressEncoder = getAddressEncoder();
export class WorkerMetadataAccount {
    suspendedAt;
    delegatedTo;
    discoveryUri;
    constructor(fields) {
        this.suspendedAt = fields.suspendedAt;
        this.delegatedTo = fields.delegatedTo;
        this.discoveryUri = fields.discoveryUri;
    }
    static calculateAccountSize(discoveryUriLength) {
        return BigInt(1 + // discriminator
            1 + 8 + // suspendedAt (Option<u64>)
            32 + // delegatedTo (address)
            4 + discoveryUriLength // discoveryUri (String with length prefix)
        );
    }
    static DataCodecV1 = getStructCodec([
        ["suspendedAt", getOptionCodec(getU64Codec())],
        ["delegatedTo", getAddressCodec()],
        ["discoveryUri", addCodecSizePrefix(getUtf8Codec(), getU32Codec())],
    ]);
    static deserializeFrom(accountData) {
        let accountDataBuffer;
        if (typeof accountData === 'string') {
            accountDataBuffer = getBase58Codec().encode(accountData);
        }
        else {
            accountDataBuffer = accountData;
        }
        const accountDiscriminator = accountDataBuffer[0];
        if (accountDiscriminator !== DepinAccountType.WorkerMetadata) {
            throw new Error(`Invalid discriminator: ${accountDiscriminator}`);
        }
        const data = Buffer.from(accountDataBuffer).subarray(1); // Skip the first byte (discriminator)
        const result = this.DataCodecV1.decode(data);
        return result;
    }
    static async findWorkerMetadataPDA(workerLicense, worker) {
        const pda = await getProgramDerivedAddress({
            programAddress: DEPIN_PROGRAM,
            seeds: [WORKER_SEED, METADATA_SEED, addressEncoder.encode(workerLicense), addressEncoder.encode(worker)]
        });
        return pda;
    }
}