use of tech.pegasys.web3signer.signing.filecoin.exceptions.FilecoinSignerNotFoundException 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.");
}
}
}
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