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NCrashed/submarine_rebalance.md

Last active May 4, 2022 15:01
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submarine_rebalance.md

Submarine 0 trust rebalance

  1. Alice opens 4M channel to Bob.
  2. Bob selects a random password P and calculates ripemd160 hash of it H(P).
  3. Bob locks 2M sats to the output with the script:
OP_SIZE 32 OP_EQUAL
OP_IF
OP_HASH160 <H(P)> OP_EQUALVERIFY
    <Alice pubkey>
OP_ELSE
    OP_DROP
    <cltv timeout> OP_CHECKLOCKTIMEVERIFY OP_DROP
    <Bob pubkey>
OP_ENDIF
OP_CHECKSIG

Proposed cltv timeout is 2000 blocks.

  1. Bobs generates invoice for 2M sats with preimage P and hash H(P).
  2. Alice pays the invoice and gets P from the proof of payment of HTLC.
  3. Alice spends locked onchain funds.
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