BtcAddress::bech32Verify only checked the bech32 (BIP173) checksum
constant (=== 1), so valid Taproot addresses (bc1p, witness v1,
bech32m, const 0x2bc830a3) failed checksum verification and were
rejected as 'Invalid to address' by TransferService.
- bech32Verify now returns the detected encoding ('bech32' | 'bech32m' | null)
- decodeBech32 enforces BIP350 version<->encoding consistency
(v0 must be bech32, v1+ must be bech32m)
- scriptPubKey adds the P2TR (v1 + 32-byte) branch: OP_1 <32> = 5120...
- bech32Checksum/bech32Encode pick the correct constant per witness
version so Taproot encoding round-trips correctly
Co-authored-by: Cursor <cursoragent@cursor.com>
root
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