abiEncodeUint256 function

String abiEncodeUint256(
  1. String tokenId
)

Encodes a uint256 token ID as a 32-byte hex word (no 0x prefix).

Implementation

String abiEncodeUint256(String tokenId) {
  final bigInt = BigInt.parse(tokenId);
  return bigInt.toRadixString(16).padLeft(64, '0');
}