psbt
PSBT Skill
Provides PSBT (Partially Signed Bitcoin Transaction) construction and signing operations on the Bitcoin L1. PSBTs enable multi-party signing workflows such as ordinals marketplace purchases where both buyer and seller must sign before broadcast.
- estimate-fee — Read-only fee estimation for a PSBT given its structure.
- sign — Sign one or more PSBT inputs with the active unlocked wallet (P2WPKH or Taproot keys).
- broadcast — Finalize a fully signed PSBT and broadcast it to the Bitcoin network via mempool.space.
Usage
bun run psbt/psbt.ts <subcommand> [options]
Subcommands
estimate-fee
Estimate the network fee in satoshis for a given PSBT. Parses the transaction structure and computes vsize-based fee estimate for fast, medium, and slow fee tiers.
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