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83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
#ifndef LIGHTNING_BITCOIN_CHAINPARAMS_H
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#define LIGHTNING_BITCOIN_CHAINPARAMS_H
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#include "config.h"
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#include <bitcoin/block.h>
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#include <common/amount.h>
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#include <common/bip32.h>
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#define ELEMENTS_ASSET_LEN 33
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struct chainparams {
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const char *network_name;
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/* Unfortunately starting with signet, we now have diverging
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* conventions for the "BIP173" Human Readable Part (HRP).
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* On onchain signet, the HRP is `tb` , but on Lightning
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* signet the HRP is `tbs`.
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*/
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const char *onchain_hrp;
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const char *lightning_hrp;
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/*'bip70_name' is corresponding to the 'chain' field of
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* the API 'getblockchaininfo' */
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const char *bip70_name;
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const struct bitcoin_blkid genesis_blockhash;
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const int rpc_port;
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/**
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* BOLT 1:
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*
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* The default TCP port depends on the network used. The most common networks are:
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*
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* - Bitcoin mainet with port number 9735 or the corresponding hexadecimal `0x2607`;
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* - Bitcoin testnet with port number 19735 (`0x4D17`);
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* - Bitcoin signet with port number 39735 (`0xF87`).
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*/
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const int ln_port;
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const char *cli;
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const char *cli_args;
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/* The min numeric version of cli supported */
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const u64 cli_min_supported_version;
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const struct amount_sat dust_limit;
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const struct amount_sat max_funding;
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const struct amount_msat max_payment;
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const u32 when_lightning_became_cool;
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const u8 p2pkh_version;
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const u8 p2sh_version;
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/* Whether this is a test network or not */
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const bool testnet;
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/* Version codes for BIP32 extended keys in libwally-core*/
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const struct bip32_key_version bip32_key_version;
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const bool is_elements;
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const u8 *fee_asset_tag;
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};
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/**
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* chainparams_for_network - Look up blockchain parameters by its name
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*/
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const struct chainparams *chainparams_for_network(const char *network_name);
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/**
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* chainparams_by_bip173 - Helper to get a network by its bip173 name
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*
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* This lets us decode BOLT11 addresses.
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*/
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const struct chainparams *chainparams_by_lightning_hrp(const char *lightning_hrp);
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/**
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* chainparams_by_chainhash - Helper to get a network by its genesis blockhash
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*/
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const struct chainparams *chainparams_by_chainhash(const struct bitcoin_blkid *chain_hash);
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/**
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* chainparams_get_network_names - Produce a comma-separated list of network names
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*/
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const char *chainparams_get_network_names(const tal_t *ctx);
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/**
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* chainparams_get_ln_port - Return the lightning network default port by
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* network if the chainparams is initialized, otherwise 9735 as mock port
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*/
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int chainparams_get_ln_port(const struct chainparams *params);
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#endif /* LIGHTNING_BITCOIN_CHAINPARAMS_H */
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