writeVarInt method
Implementation
@override
writeVarInt(BigInt i) {
if (i.compareTo(BigInt.from(0xfd)) < 0) {
// 8 bit
writeUInt8(i.toInt());
} else if (i.compareTo(BigInt.from(0xffff)) <= 0) {
// 16 bit
writeUInt8(0xfd);
writeUInt16(i.toInt());
} else if (i.compareTo(BigInt.from(0xffffffff)) <= 0) {
// 32 bit
writeUInt8(0xfe);
writeUInt32(i.toInt());
} else {
// 64 bit
writeUInt8(0xff);
writeUInt64(i);
}
}