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josn: Move json_tok_address_scriptpubkey from lightningd/jsonrpc.c to lightningd/json.c
Its declaration is in lightningd/json.h, so we should move it to lightningd/json.c.
This commit is contained in:
trueptolemy
neil saitug
parent
7fd2f6db6d
commit
8346d5c353
@ -1,8 +1,12 @@
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#include <arpa/inet.h>
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#include <bitcoin/address.h>
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#include <bitcoin/base58.h>
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#include <bitcoin/script.h>
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#include <ccan/json_escape/json_escape.h>
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#include <ccan/mem/mem.h>
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#include <ccan/str/hex/hex.h>
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#include <ccan/tal/str/str.h>
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#include <common/bech32.h>
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#include <common/json.h>
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#include <common/json_command.h>
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#include <common/json_helpers.h>
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@ -14,6 +18,7 @@
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#include <common/wallet_tx.h>
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#include <common/wireaddr.h>
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#include <gossipd/routing.h>
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#include <lightningd/chaintopology.h>
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#include <lightningd/json.h>
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#include <lightningd/json_stream.h>
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#include <lightningd/jsonrpc.h>
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@ -460,3 +465,110 @@ void json_add_sha256(struct json_stream *result, const char *fieldname,
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{
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json_add_hex(result, fieldname, hash, sizeof(*hash));
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}
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/**
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* segwit_addr_net_decode - Try to decode a Bech32 address and detect
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* testnet/mainnet/regtest/signet
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*
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* This processes the address and returns a string if it is a Bech32
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* address specified by BIP173. The string is set whether it is
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* testnet ("tb"), mainnet ("bc"), regtest ("bcrt"), or signet ("sb")
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* It does not check, witness version and program size restrictions.
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*
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* Out: witness_version: Pointer to an int that will be updated to contain
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* the witness program version (between 0 and 16 inclusive).
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* witness_program: Pointer to a buffer of size 40 that will be updated
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* to contain the witness program bytes.
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* witness_program_len: Pointer to a size_t that will be updated to
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* contain the length of bytes in witness_program.
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* In: addrz: Pointer to the null-terminated address.
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* Returns string containing the human readable segment of bech32 address
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*/
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static const char *segwit_addr_net_decode(int *witness_version,
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uint8_t *witness_program,
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size_t *witness_program_len,
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const char *addrz,
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const struct chainparams *chainparams)
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{
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if (segwit_addr_decode(witness_version, witness_program,
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witness_program_len, chainparams->bip173_name,
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addrz))
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return chainparams->bip173_name;
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else
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return NULL;
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}
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enum address_parse_result
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json_to_address_scriptpubkey(const tal_t *ctx,
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const struct chainparams *chainparams,
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const char *buffer,
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const jsmntok_t *tok, const u8 **scriptpubkey)
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{
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struct bitcoin_address destination;
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int witness_version;
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/* segwit_addr_net_decode requires a buffer of size 40, and will
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* not write to the buffer if the address is too long, so a buffer
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* of fixed size 40 will not overflow. */
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uint8_t witness_program[40];
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size_t witness_program_len;
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char *addrz;
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const char *bip173;
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bool parsed;
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bool right_network;
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u8 addr_version;
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parsed =
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ripemd160_from_base58(&addr_version, &destination.addr,
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buffer + tok->start, tok->end - tok->start);
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if (parsed) {
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if (addr_version == chainparams->p2pkh_version) {
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*scriptpubkey = scriptpubkey_p2pkh(ctx, &destination);
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return ADDRESS_PARSE_SUCCESS;
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} else if (addr_version == chainparams->p2sh_version) {
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*scriptpubkey =
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scriptpubkey_p2sh_hash(ctx, &destination.addr);
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return ADDRESS_PARSE_SUCCESS;
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} else {
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return ADDRESS_PARSE_WRONG_NETWORK;
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}
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/* Insert other parsers that accept pointer+len here. */
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}
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/* Generate null-terminated address. */
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addrz = tal_dup_arr(ctx, char, buffer + tok->start, tok->end - tok->start, 1);
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addrz[tok->end - tok->start] = '\0';
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bip173 = segwit_addr_net_decode(&witness_version, witness_program,
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&witness_program_len, addrz, chainparams);
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if (bip173) {
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bool witness_ok = false;
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if (witness_version == 0 && (witness_program_len == 20 ||
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witness_program_len == 32)) {
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witness_ok = true;
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}
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/* Insert other witness versions here. */
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if (witness_ok) {
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*scriptpubkey = scriptpubkey_witness_raw(ctx, witness_version,
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witness_program, witness_program_len);
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parsed = true;
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right_network = streq(bip173, chainparams->bip173_name);
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}
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}
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/* Insert other parsers that accept null-terminated string here. */
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tal_free(addrz);
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if (parsed) {
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if (right_network)
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return ADDRESS_PARSE_SUCCESS;
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else
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return ADDRESS_PARSE_WRONG_NETWORK;
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}
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return ADDRESS_PARSE_UNRECOGNIZED;
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}
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@ -15,10 +15,6 @@
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/* eg: { "jsonrpc":"2.0", "method" : "dev-echo", "params" : [ "hello", "Arabella!" ], "id" : "1" } */
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#include "ccan/config.h"
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#include <arpa/inet.h>
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#include <bitcoin/address.h>
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#include <bitcoin/base58.h>
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#include <bitcoin/script.h>
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#include <ccan/array_size/array_size.h>
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#include <ccan/asort/asort.h>
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#include <ccan/err/err.h>
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#include <ccan/io/io.h>
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@ -27,7 +23,6 @@
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#include <ccan/str/hex/hex.h>
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#include <ccan/strmap/strmap.h>
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#include <ccan/tal/str/str.h>
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#include <common/bech32.h>
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#include <common/configdir.h>
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#include <common/json_command.h>
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#include <common/jsonrpc_errors.h>
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@ -966,113 +961,6 @@ void jsonrpc_listen(struct jsonrpc *jsonrpc, struct lightningd *ld)
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log_debug(jsonrpc->log, "Listening on '%s'", ld->rpc_filename);
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}
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/**
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* segwit_addr_net_decode - Try to decode a Bech32 address and detect
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* testnet/mainnet/regtest/signet
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*
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* This processes the address and returns a string if it is a Bech32
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* address specified by BIP173. The string is set whether it is
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* testnet ("tb"), mainnet ("bc"), regtest ("bcrt"), or signet ("sb")
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* It does not check, witness version and program size restrictions.
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*
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* Out: witness_version: Pointer to an int that will be updated to contain
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* the witness program version (between 0 and 16 inclusive).
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* witness_program: Pointer to a buffer of size 40 that will be updated
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* to contain the witness program bytes.
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* witness_program_len: Pointer to a size_t that will be updated to
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* contain the length of bytes in witness_program.
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* In: addrz: Pointer to the null-terminated address.
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* Returns string containing the human readable segment of bech32 address
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*/
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static const char *segwit_addr_net_decode(int *witness_version,
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uint8_t *witness_program,
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size_t *witness_program_len,
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const char *addrz,
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const struct chainparams *chainparams)
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{
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if (segwit_addr_decode(witness_version, witness_program,
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witness_program_len, chainparams->bip173_name,
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addrz))
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return chainparams->bip173_name;
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else
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return NULL;
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}
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enum address_parse_result
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json_to_address_scriptpubkey(const tal_t *ctx,
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const struct chainparams *chainparams,
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const char *buffer,
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const jsmntok_t *tok, const u8 **scriptpubkey)
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{
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struct bitcoin_address destination;
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int witness_version;
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/* segwit_addr_net_decode requires a buffer of size 40, and will
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* not write to the buffer if the address is too long, so a buffer
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* of fixed size 40 will not overflow. */
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uint8_t witness_program[40];
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size_t witness_program_len;
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char *addrz;
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const char *bip173;
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bool parsed;
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bool right_network;
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u8 addr_version;
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parsed =
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ripemd160_from_base58(&addr_version, &destination.addr,
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buffer + tok->start, tok->end - tok->start);
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if (parsed) {
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if (addr_version == chainparams->p2pkh_version) {
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*scriptpubkey = scriptpubkey_p2pkh(ctx, &destination);
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return ADDRESS_PARSE_SUCCESS;
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} else if (addr_version == chainparams->p2sh_version) {
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*scriptpubkey =
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scriptpubkey_p2sh_hash(ctx, &destination.addr);
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return ADDRESS_PARSE_SUCCESS;
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} else {
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return ADDRESS_PARSE_WRONG_NETWORK;
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}
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/* Insert other parsers that accept pointer+len here. */
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}
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/* Generate null-terminated address. */
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addrz = tal_dup_arr(ctx, char, buffer + tok->start, tok->end - tok->start, 1);
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addrz[tok->end - tok->start] = '\0';
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bip173 = segwit_addr_net_decode(&witness_version, witness_program,
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&witness_program_len, addrz, chainparams);
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if (bip173) {
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bool witness_ok = false;
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if (witness_version == 0 && (witness_program_len == 20 ||
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witness_program_len == 32)) {
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witness_ok = true;
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}
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/* Insert other witness versions here. */
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if (witness_ok) {
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*scriptpubkey = scriptpubkey_witness_raw(ctx, witness_version,
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witness_program, witness_program_len);
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parsed = true;
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right_network = streq(bip173, chainparams->bip173_name);
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}
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}
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/* Insert other parsers that accept null-terminated string here. */
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tal_free(addrz);
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if (parsed) {
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if (right_network)
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return ADDRESS_PARSE_SUCCESS;
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else
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return ADDRESS_PARSE_WRONG_NETWORK;
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}
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return ADDRESS_PARSE_UNRECOGNIZED;
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}
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static struct command_result *param_command(struct command *cmd,
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const char *name,
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const char *buffer,
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