formatAuthMessage method
String
formatAuthMessage({
- required String iss,
- required CacaoRequestPayload cacaoPayload,
override
Implementation
@override
String formatAuthMessage({
required String iss,
required CacaoRequestPayload cacaoPayload,
}) {
final header =
'${cacaoPayload.domain} wants you to sign in with your Ethereum account:';
final walletAddress = AddressUtils.getDidAddress(iss);
if (cacaoPayload.aud.isEmpty) {
throw ReownSignError(code: -1, message: 'aud is required');
}
String statement = cacaoPayload.statement ?? '';
final uri = 'URI: ${cacaoPayload.aud}';
final version = 'Version: ${cacaoPayload.version}';
final chainId = 'Chain ID: ${AddressUtils.getDidChainId(iss)}';
final nonce = 'Nonce: ${cacaoPayload.nonce}';
final issuedAt = 'Issued At: ${cacaoPayload.iat}';
final expirationTime = (cacaoPayload.exp != null)
? 'Expiration Time: ${cacaoPayload.exp}'
: null;
final notBefore =
(cacaoPayload.nbf != null) ? 'Not Before: ${cacaoPayload.nbf}' : null;
final requestId = (cacaoPayload.requestId != null)
? 'Request ID: ${cacaoPayload.requestId}'
: null;
final resources = cacaoPayload.resources != null &&
cacaoPayload.resources!.isNotEmpty
? 'Resources:\n${cacaoPayload.resources!.map((resource) => '- $resource').join('\n')}'
: null;
final recap = ReCapsUtils.getRecapFromResources(
resources: cacaoPayload.resources,
);
if (recap != null) {
final decoded = ReCapsUtils.decodeRecap(recap);
statement = ReCapsUtils.formatStatementFromRecap(
statement: statement,
recap: decoded,
);
}
final message = [
header,
walletAddress.toEIP55(),
'',
statement,
'',
uri,
version,
chainId,
nonce,
issuedAt,
expirationTime,
notBefore,
requestId,
resources,
].where((element) => element != null).join('\n');
return message;
}