Sami
11ed086d1e
Adds deterministic HD key derivation (path m/44'/2222'/0'/0/i, matching the TRIdock web wallet) wired into CWallet: HD seed stored in wallet.dat (encrypted with the wallet master key when the wallet is encrypted), keypool derived from the seed, and new RPC commands hdnew/hdrestore/hdshow/hdinfo. Crypto core verified standalone against the official BIP39 vector and triWallet.js addresses.
51 lines
2.0 KiB
C++
51 lines
2.0 KiB
C++
// Copyright (c) 2026 The Triangles developers
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// Distributed under the MIT/X11 software license.
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//
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// Native BIP39 (mnemonic) + BIP32 (HD) key derivation for Triangles.
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// Produces keys identical to the TRIdock web wallet (derivation path
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// m/44'/2222'/0'/0/i, coin type 2222), so a 24-word phrase round-trips
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// between the Qt/daemon wallet and the web wallet.
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#ifndef TRIANGLES_HDWALLET_H
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#define TRIANGLES_HDWALLET_H
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#include <string>
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#include <vector>
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#include <cstdint>
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#include <cstddef>
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namespace hd {
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static const uint32_t HARDENED = 0x80000000u;
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static const uint32_t TRI_COIN_TYPE = 2222u; // matches triWallet.js
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// A BIP32 extended private key (private scalar + chain code).
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struct ExtKey {
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unsigned char key[32];
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unsigned char chaincode[32];
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bool valid;
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ExtKey() : valid(false) { }
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};
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// ---- BIP39 ----------------------------------------------------------------
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// Generate a new mnemonic. strengthBits must be 128 (12 words) or 256 (24).
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std::string GenerateMnemonic(int strengthBits = 256);
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// Validate word membership + checksum.
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bool CheckMnemonic(const std::string& mnemonic);
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// PBKDF2-HMAC-SHA512(mnemonic, "mnemonic"+passphrase, 2048) -> 64-byte seed.
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bool MnemonicToSeed(const std::string& mnemonic, const std::string& passphrase,
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unsigned char seed64[64]);
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// ---- BIP32 ----------------------------------------------------------------
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bool MasterFromSeed(const unsigned char* seed, size_t seedlen, ExtKey& out);
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bool CKDpriv(const ExtKey& parent, uint32_t index, ExtKey& child);
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bool DerivePath(const ExtKey& master, const std::vector<uint32_t>& path, ExtKey& out);
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// ---- High level -----------------------------------------------------------
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// Derive the 32-byte private scalar for m/44'/coinType'/account'/change/index.
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bool DeriveTriangles(const std::string& mnemonic, const std::string& passphrase,
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uint32_t account, uint32_t change, uint32_t index,
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unsigned char privOut[32]);
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} // namespace hd
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#endif // TRIANGLES_HDWALLET_H
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