blockchain_sdk 0.1.0 blockchain_sdk: ^0.1.0 copied to clipboard
A dart package used for blockchain related project. It provides the biggest standards in Blockchain that you may need in your project.
BIP39 #
Mnemonic, Seed #
final mnemonic = Mnemonic.generate();
print(mnemonic.words) // [bind, assume, arrange, apology, around, admit, barrel, alpha, bird, basket, baby, apology]
final mnemonic = Mnemonic.generate({words: 24}); // Max entropy = 256
print(mnemonic.words) // [busy, abuse, among, afraid, bronze, business, adult, awkward, advance, advance, aisle, bench, build, adapt, black, brand, all, bottom, badge, already, ball, burden, alarm, bag]
final words = ['bind', 'assume', 'arrange', 'apology', 'around', 'admit', 'barrel', 'alpha', 'bird', 'basket', 'baby', 'apology'];
final mnemonic = Mnemonic(words);
// Generate the seed from the mnemonic using PBKDF2 with HMAC-SHA512 + 2048 iteration + 64 derivation key length in byte
final seed = mnemonic.toSeed();
final seedWithPassphrase = mnemonic.toSeed(passphrase: 'passphrase');
print(hex.encode(seed)); // bcd46f78ee88e56a30fe102095ce3999d48631afbf32df302af39b98e7047d77174541eb3d44a717dd2824fdda1218d12f86e5d8ab1d54a131db206bbb64d959
print(hex.encode(seedWithPassphrase)); // 886010b4aa1f7c70001f23a586ab0ab7db189dce6748f0b57d7d08059052e9ffa336c834002b3934cc03fdfac1143fa931b01531980a93a27a181d72e60577eb