BOLT #3: * * #### Received HTLC Outputs * * This output sends funds to either the remote node after the HTLC-timeout or * using the revocation key, or to an HTLC-success transaction with a * successful payment preimage. The output is a P2WSH, with a witness script * (no `option_anchors`): * * # To remote node with revocation key * OP_DUP OP_HASH160 <RIPEMD160(SHA256(revocationpub
| 793 | * OP_ENDIF |
| 794 | */ |
| 795 | u8 *bitcoin_wscript_htlc_receive_ripemd(const tal_t *ctx, |
| 796 | const struct abs_locktime *htlc_abstimeout, |
| 797 | const struct pubkey *localhtlckey, |
| 798 | const struct pubkey *remotehtlckey, |
| 799 | const struct ripemd160 *payment_ripemd, |
| 800 | const struct pubkey *revocationkey, |
| 801 | bool option_anchor_outputs, |
| 802 | bool option_anchors_zero_fee_htlc_tx) |
| 803 | { |
| 804 | u8 *script = tal_arr(ctx, u8, 0); |
| 805 | struct ripemd160 ripemd; |
| 806 | |
| 807 | add_op(&script, OP_DUP); |
| 808 | add_op(&script, OP_HASH160); |
| 809 | pubkey_to_hash160(revocationkey, &ripemd); |
| 810 | script_push_bytes(&script, &ripemd, sizeof(ripemd)); |
| 811 | add_op(&script, OP_EQUAL); |
| 812 | add_op(&script, OP_IF); |
| 813 | add_op(&script, OP_CHECKSIG); |
| 814 | add_op(&script, OP_ELSE); |
| 815 | add_push_key(&script, remotehtlckey); |
| 816 | add_op(&script, OP_SWAP); |
| 817 | add_op(&script, OP_SIZE); |
| 818 | add_number(&script, 32); |
| 819 | add_op(&script, OP_EQUAL); |
| 820 | add_op(&script, OP_IF); |
| 821 | add_op(&script, OP_HASH160); |
| 822 | script_push_bytes(&script, |
| 823 | payment_ripemd->u.u8, sizeof(payment_ripemd->u.u8)); |
| 824 | add_op(&script, OP_EQUALVERIFY); |
| 825 | add_number(&script, 2); |
| 826 | add_op(&script, OP_SWAP); |
| 827 | add_push_key(&script, localhtlckey); |
| 828 | add_number(&script, 2); |
| 829 | add_op(&script, OP_CHECKMULTISIG); |
| 830 | add_op(&script, OP_ELSE); |
| 831 | add_op(&script, OP_DROP); |
| 832 | add_number(&script, htlc_abstimeout->locktime); |
| 833 | add_op(&script, OP_CHECKLOCKTIMEVERIFY); |
| 834 | add_op(&script, OP_DROP); |
| 835 | add_op(&script, OP_CHECKSIG); |
| 836 | add_op(&script, OP_ENDIF); |
| 837 | if (option_anchor_outputs || option_anchors_zero_fee_htlc_tx) { |
| 838 | add_number(&script, 1); |
| 839 | add_op(&script, OP_CHECKSEQUENCEVERIFY); |
| 840 | add_op(&script, OP_DROP); |
| 841 | } |
| 842 | add_op(&script, OP_ENDIF); |
| 843 | |
| 844 | return script; |
| 845 | } |
| 846 | |
| 847 | u8 *bitcoin_wscript_htlc_receive(const tal_t *ctx, |
| 848 | const struct abs_locktime *htlc_abstimeout, |
no test coverage detected