addTokenTransfer method
Add a token transfer to the transaction
to
: Address of the recipient (hexadecimal)amount
: Amount of token to transfertokenAddress
: Address of token to spend (hexadecimal)tokenId
: ID of the token to use (default to 0)
Implementation
Transaction addTokenTransfer(
String to,
int amount,
String tokenAddress, {
int tokenId = 0,
}) {
if (!isHex(to)) {
throw const FormatException("'to' must be an hexadecimal string");
}
if (!isHex(tokenAddress)) {
throw const FormatException(
"'tokenAddress' must be an hexadecimal string",
);
}
if (tokenId.isNaN && tokenId < 0) {
throw Exception("'tokenId' must be a valid integer >= 0");
}
final tokenTransfer = TokenTransfer(
amount: amount,
tokenAddress: tokenAddress,
to: to,
tokenId: tokenId,
);
final newTokenTransfer = data!.ledger!.token!.transfers..add(tokenTransfer);
return copyWith.data!.ledger!.token!(
transfers: newTokenTransfer,
);
}