toBN function
Unify argument types by converting them to BigInt.
Implementation
BigInt toBN(dynamic number) {
if (number is bool) {
return number ? BigInt.one : BigInt.zero;
} else if (number is int) {
return BigInt.from(number);
} else if (number is BigInt) {
return number;
} else {
return BigInt.parse(number);
}
}