Examples with ArtifactSignature tech.pegasys.web3signer.signing.ArtifactSignature used on opensource projects

Example 1 with ArtifactSignature

use of tech.pegasys.web3signer.signing.ArtifactSignature in project web3signer by ConsenSys.

the class FcJsonRpc method filecoinWalletSign.

@JsonRpcMethod("Filecoin.WalletSign")
public FilecoinSignature filecoinWalletSign(@JsonRpcParam("identifier") final String filecoinAddress, @JsonRpcParam("data") final Bytes dataToSign, @JsonRpcOptional @JsonRpcParam("meta") final FilecoinMessageMsgMeta meta) {
    LOG.debug("Received FC sign request id = {}; data = {}", filecoinAddress, dataToSign);
    if (meta != null && meta.getExtra() != null) {
        final Bytes cidBytes = fcCidEncoder.createCid(meta.getExtra());
        checkArgument(dataToSign.equals(cidBytes), "Message invalid the data to sign doesn't match the CID of MsgMeta.extra");
    }
    final Optional<ArtifactSigner> signer = fcSigners.getSigner(filecoinAddress);
    final ArtifactSignature signature;
    if (signer.isPresent()) {
        signature = signer.get().sign(dataToSign);
    } else {
        throw new FilecoinSignerNotFoundException();
    }
    try (final OperationTimer.TimingContext ignored = metrics.getSigningTimer().labels(signature.getType().name()).startTimer()) {
        switch(signature.getType()) {
            case SECP256K1:
                metrics.incSecpSigningRequestCounter();
                final SecpArtifactSignature secpSig = (SecpArtifactSignature) signature;
                return new FilecoinSignature(SECP_VALUE, SecpArtifactSignature.toBytes(secpSig).toBase64String());
            case BLS:
                metrics.incBlsSigningRequestCounter();
                final BlsArtifactSignature blsSig = (BlsArtifactSignature) signature;
                return new FilecoinSignature(BLS_VALUE, blsSig.getSignatureData().toBytesCompressed().toBase64String());
            default:
                throw new IllegalArgumentException("Invalid Signature type created.");
        }
    }
}