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@ -187,3 +187,53 @@ static const struct json_command withdraw_command = { |
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"Returns the withdrawal transaction ID" |
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}; |
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AUTODATA(json_command, &withdraw_command); |
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static void json_newaddr(struct command *cmd, |
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const char *buffer, const jsmntok_t *params) |
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{ |
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struct json_result *response = new_json_result(cmd); |
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struct lightningd *ld = ld_from_dstate(cmd->dstate); |
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struct ext_key ext; |
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struct sha256 h; |
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struct ripemd160 p2sh; |
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struct pubkey pubkey; |
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u8 *redeemscript; |
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u64 bip32_max_index = db_get_intvar(ld->wallet->db, "bip32_max_index", 0); |
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if (bip32_max_index == BIP32_INITIAL_HARDENED_CHILD) { |
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command_fail(cmd, "Keys exhausted "); |
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return; |
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} |
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if (bip32_key_from_parent(ld->bip32_base, bip32_max_index, |
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BIP32_FLAG_KEY_PUBLIC, &ext) != WALLY_OK) { |
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command_fail(cmd, "Keys generation failure"); |
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return; |
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} |
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if (!secp256k1_ec_pubkey_parse(secp256k1_ctx, &pubkey.pubkey, |
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ext.pub_key, sizeof(ext.pub_key))) { |
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command_fail(cmd, "Key parsing failure"); |
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return; |
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} |
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redeemscript = bitcoin_redeem_p2sh_p2wpkh(cmd, &pubkey); |
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sha256(&h, redeemscript, tal_count(redeemscript)); |
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ripemd160(&p2sh, h.u.u8, sizeof(h)); |
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db_set_intvar(ld->wallet->db, "bip32_max_index", bip32_max_index + 1); |
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json_object_start(response, NULL); |
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json_add_string(response, "address", |
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p2sh_to_base58(cmd, cmd->dstate->testnet, &p2sh)); |
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json_object_end(response); |
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command_success(cmd, response); |
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} |
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static const struct json_command newaddr_command = { |
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"newaddr", |
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json_newaddr, |
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"Get a new address to fund a channel", |
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"Returns {address} a p2sh address" |
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}; |
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AUTODATA(json_command, &newaddr_command); |
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