davide/palladum-lightning
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palladum-lightning/bitcoin/chainparams.c
Davide Grilli ee8dccdd4d Add Palladium testing infrastructure and local regtest setup 
This commit finalizes the integration of Palladium Lightning with
the Palladium Core backend, making it trivial for developers to
spin up and test a local regtest network.

Key changes:
- Created [TESTING_PALLADIUM.md](cci:7://file:///home/davide/lightning-plm/TESTING_PALLADIUM.md:0:0-0:0) with comprehensive regtest instructions.
- Linked the new testing guide in the main [README.md](cci:7://file:///home/davide/lightning-plm/README.md:0:0-0:0).
- Ignored `/palladium-bin/` in `.gitignore` to allow developers to drop
  backend binaries locally without accidentally committing them.
- Patched `contrib/startup_regtest.sh` to automatically detect and use
  these local `palladiumd`/`palladium-cli` binaries if present, removing
  the strict need to manually export environment variables.
- Fixed a false-positive timeout error in `startup_regtest.sh` when
  parsing the absent `clnrest` plugin logs
2026-02-20 14:10:53 +01:00

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#include "config.h"
#include <assert.h>
#include <bitcoin/chainparams.h>
#include <ccan/array_size/array_size.h>
#include <ccan/tal/str/str.h>
/* Version codes for BIP32 extended keys in libwally-core.
* Stolen from wally_bip32.h in libwally-core*/
#define BIP32_VER_MAIN_PUBLIC 0x0488B21E
#define BIP32_VER_MAIN_PRIVATE 0x0488ADE4
#define BIP32_VER_TEST_PUBLIC 0x043587CF
#define BIP32_VER_TEST_PRIVATE 0x04358394
#define BIP32_VER_SIGT_PUBLIC 0x043587CF
#define BIP32_VER_SIGT_PRIVATE 0x04358394
static u8 liquid_fee_asset[] = {
0x01, 0x6d, 0x52, 0x1c, 0x38, 0xec, 0x1e, 0xa1, 0x57, 0x34, 0xae,
0x22, 0xb7, 0xc4, 0x60, 0x64, 0x41, 0x28, 0x29, 0xc0, 0xd0, 0x57,
0x9f, 0x0a, 0x71, 0x3d, 0x1c, 0x04, 0xed, 0xe9, 0x79, 0x02, 0x6f,
};
static u8 liquid_regtest_fee_asset[] = {
0x01, 0x5c, 0xe7, 0xb9, 0x63, 0xd3, 0x7f, 0x8f, 0x2d, 0x51, 0xca,
0xfb, 0xba, 0x92, 0x8a, 0xaa, 0x9e, 0x22, 0x0b, 0x8b, 0xbc, 0x66,
0x05, 0x71, 0x49, 0x9c, 0x03, 0x62, 0x8a, 0x38, 0x51, 0xb8, 0xce,
};
const struct chainparams networks[] = {
{.network_name = "bitcoin",
.onchain_hrp = "plm",
.lightning_hrp = "plm",
.bip70_name = "main",
.genesis_blockhash = {{{.u.u8 = {0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3,
0x72, 0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63,
0xf7, 0x4f, 0x93, 0x1e, 0x83, 0x65, 0xe1,
0x5a, 0x08, 0x9c, 0x68, 0xd6, 0x19, 0x00,
0x00, 0x00, 0x00, 0x00}}}},
.rpc_port = 2332,
.ln_port = 9735,
.cli = "palladium-cli",
.cli_args = NULL,
.cli_min_supported_version = 150000,
.dust_limit = { 546 },
/* BOLT #2:
*
* The sending node:
*...
* - MUST set `funding_satoshis` to less than 2^24 satoshi.
*/
.max_funding = AMOUNT_SAT_INIT((1 << 24) - 1),
.max_payment = AMOUNT_MSAT_INIT(0xFFFFFFFFULL),
.max_supply = AMOUNT_SAT_INIT(2100000000000000),
/* "Lightning Charge Powers Developers & Blockstream Store" */
.when_lightning_became_cool = 504500,
.p2pkh_version = 55,
.p2sh_version = 5,
.testnet = false,
.fee_asset_tag = NULL,
.bip32_key_version = {.bip32_pubkey_version = BIP32_VER_MAIN_PUBLIC,
.bip32_privkey_version = BIP32_VER_MAIN_PRIVATE},
.is_elements = false},
{.network_name = "regtest",
.onchain_hrp = "rplm",
.lightning_hrp = "rplm",
.bip70_name = "regtest",
.genesis_blockhash = {{{.u.u8 = {0x06, 0x22, 0x6e, 0x46, 0x11, 0x1a, 0x0b,
0x59, 0xca, 0xaf, 0x12, 0x60, 0x43, 0xeb,
0x5b, 0xbf, 0x28, 0xc3, 0x4f, 0x3a, 0x5e,
0x33, 0x2a, 0x1f, 0xc7, 0xb2, 0xb7, 0x3c,
0xf1, 0x88, 0x91, 0x0f}}}},
.rpc_port = 12443,
.ln_port = 19846,
.cli = "palladium-cli",
.cli_args = "-regtest",
.cli_min_supported_version = 150000,
.dust_limit = { 546 },
.max_funding = AMOUNT_SAT_INIT((1 << 24) - 1),
.max_payment = AMOUNT_MSAT_INIT(0xFFFFFFFFULL),
.max_supply = AMOUNT_SAT_INIT(2100000000000000),
.when_lightning_became_cool = 1,
.p2pkh_version = 127,
.p2sh_version = 115,
.testnet = true,
.fee_asset_tag = NULL,
.bip32_key_version = {.bip32_pubkey_version = BIP32_VER_TEST_PUBLIC,
.bip32_privkey_version = BIP32_VER_TEST_PRIVATE},
.is_elements = false},
{.network_name = "signet",
.onchain_hrp = "tplm",
.lightning_hrp = "tsplm",
.bip70_name = "signet",
// 00000008819873e925422c1ff0f99f7cc9bbb232af63a077a480a3633bee1ef6
.genesis_blockhash = {{{.u.u8 = {0xf6, 0x1e, 0xee, 0x3b, 0x63, 0xa3, 0x80,
0xa4, 0x77, 0xa0, 0x63, 0xaf, 0x32, 0xb2,
0xbb, 0xc9, 0x7c, 0x9f, 0xf9, 0xf0, 0x1f,
0x2c, 0x42, 0x25, 0xe9, 0x73, 0x98, 0x81,
0x08, 0x00, 0x00, 0x00}}}},
.rpc_port = 38332,
.ln_port = 39735,
.cli = "palladium-cli",
.cli_args = "-signet",
.cli_min_supported_version = 150000,
.dust_limit = { 546 },
.max_funding = AMOUNT_SAT_INIT((1 << 24) - 1),
.max_payment = AMOUNT_MSAT_INIT(0xFFFFFFFFULL),
.max_supply = AMOUNT_SAT_INIT(2100000000000000),
.when_lightning_became_cool = 1,
.p2pkh_version = 127,
.p2sh_version = 115,
.testnet = true,
.bip32_key_version = {.bip32_pubkey_version = BIP32_VER_SIGT_PUBLIC, .bip32_privkey_version = BIP32_VER_SIGT_PRIVATE},
.is_elements = false,
},
{.network_name = "testnet",
.onchain_hrp = "tplm",
.lightning_hrp = "tplm",
.bip70_name = "test",
.genesis_blockhash = {{{.u.u8 = {0x43, 0x49, 0x7f, 0xd7, 0xf8, 0x26, 0x95,
0x71, 0x08, 0xf4, 0xa3, 0x0f, 0xd9, 0xce,
0xc3, 0xae, 0xba, 0x79, 0x97, 0x20, 0x84,
0xe9, 0x0e, 0xad, 0x01, 0xea, 0x33, 0x09,
0x00, 0x00, 0x00, 0x00}}}},
.rpc_port = 12332,
.ln_port = 19735,
.cli = "palladium-cli",
.cli_args = "-testnet",
.cli_min_supported_version = 150000,
.dust_limit = { 546 },
.max_funding = AMOUNT_SAT_INIT((1 << 24) - 1),
.max_payment = AMOUNT_MSAT_INIT(0xFFFFFFFFULL),
.max_supply = AMOUNT_SAT_INIT(2100000000000000),
.p2pkh_version = 127,
.p2sh_version = 115,
.testnet = true,
.fee_asset_tag = NULL,
.bip32_key_version = {.bip32_pubkey_version = BIP32_VER_TEST_PUBLIC,
.bip32_privkey_version = BIP32_VER_TEST_PRIVATE},
.is_elements = false},
{.network_name = "testnet4",
.onchain_hrp = "tplm",
.lightning_hrp = "tplm",
.bip70_name = "testnet4",
// 00000000da84f2bafbbc53dee25a72ae507ff4914b867c565be350b0da8bf043
.genesis_blockhash = {{{.u.u8 = {0x43, 0xf0, 0x8b, 0xda, 0xb0, 0x50, 0xe3,
0x5b, 0x56, 0x7c, 0x86, 0x4b, 0x91, 0xf4,
0x7f, 0x50, 0xae, 0x72, 0x5a, 0xe2, 0xde,
0x53, 0xbc, 0xfb, 0xba, 0xf2, 0x84, 0xda,
0x00, 0x00, 0x00, 0x00}}}},
.rpc_port = 48332,
.ln_port = 49735,
.cli = "palladium-cli",
.cli_args = "-testnet4",
.cli_min_supported_version = 150000,
.dust_limit = { 546 },
.max_funding = AMOUNT_SAT_INIT((1 << 24) - 1),
.max_payment = AMOUNT_MSAT_INIT(0xFFFFFFFFULL),
.max_supply = AMOUNT_SAT_INIT(2100000000000000),
.p2pkh_version = 127,
.p2sh_version = 115,
.testnet = true,
.fee_asset_tag = NULL,
.bip32_key_version = {.bip32_pubkey_version = BIP32_VER_TEST_PUBLIC,
.bip32_privkey_version = BIP32_VER_TEST_PRIVATE},
.is_elements = false},
{.network_name = "liquid-regtest",
.onchain_hrp = "ert",
.lightning_hrp = "ert",
.bip70_name = "liquid-regtest",
.genesis_blockhash = {{{.u.u8 = {0x9f, 0x87, 0xeb, 0x58, 0x0b, 0x9e, 0x5f,
0x11, 0xdc, 0x21, 0x1e, 0x9f, 0xb6, 0x6a,
0xbb, 0x36, 0x99, 0x99, 0x90, 0x44, 0xf8,
0xfe, 0x14, 0x68, 0x01, 0x16, 0x23, 0x93,
0x36, 0x42, 0x86, 0xc6}}}},
.rpc_port = 19332,
.ln_port = 20735,
.cli = "elements-cli",
.cli_args = "-chain=liquid-regtest",
.dust_limit = {546},
.max_funding = AMOUNT_SAT_INIT((1 << 24) - 1),
.max_payment = AMOUNT_MSAT_INIT(0xFFFFFFFFULL),
.max_supply = AMOUNT_SAT_INIT(2100000000000000),
.when_lightning_became_cool = 1,
.p2pkh_version = 91,
.p2sh_version = 75,
.testnet = true,
.fee_asset_tag = liquid_regtest_fee_asset,
.bip32_key_version = {.bip32_pubkey_version = BIP32_VER_TEST_PUBLIC,
.bip32_privkey_version = BIP32_VER_TEST_PRIVATE},
.is_elements = true},
{.network_name = "liquid",
.onchain_hrp = "ex",
.lightning_hrp = "ex",
.bip70_name = "liquidv1",
.genesis_blockhash = {{{.u.u8 = {0x14, 0x66, 0x27, 0x58, 0x36, 0x22, 0x0d,
0xb2, 0x94, 0x4c, 0xa0, 0x59, 0xa3, 0xa1,
0x0e, 0xf6, 0xfd, 0x2e, 0xa6, 0x84, 0xb0,
0x68, 0x8d, 0x2c, 0x37, 0x92, 0x96, 0x88,
0x8a, 0x20, 0x60, 0x03}}}},
.rpc_port = 7041,
.ln_port = 9735,
.cli = "elements-cli",
.cli_args = "-chain=liquidv1",
.dust_limit = {546},
.max_funding = AMOUNT_SAT_INIT((1 << 24) - 1),
.max_payment = AMOUNT_MSAT_INIT(0xFFFFFFFFULL),
.max_supply = AMOUNT_SAT_INIT(2100000000000000),
.when_lightning_became_cool = 1,
.p2pkh_version = 57,
.p2sh_version = 39,
.testnet = false,
.fee_asset_tag = liquid_fee_asset,
.bip32_key_version = {.bip32_pubkey_version = BIP32_VER_MAIN_PUBLIC,
.bip32_privkey_version = BIP32_VER_MAIN_PRIVATE},
.is_elements = true},
};
const struct chainparams *chainparams_for_network(const char *network_name)
{
for (size_t i = 0; i < ARRAY_SIZE(networks); i++) {
if (streq(network_name, networks[i].network_name)) {
return &networks[i];
}
}
return NULL;
}
const struct chainparams *chainparams_by_chainhash(const struct bitcoin_blkid *chain_hash)
{
for (size_t i = 0; i < ARRAY_SIZE(networks); i++) {
if (bitcoin_blkid_eq(chain_hash, &networks[i].genesis_blockhash)) {
return &networks[i];
}
}
return NULL;
}
const struct chainparams *chainparams_by_lightning_hrp(const char *lightning_hrp)
{
for (size_t i = 0; i < ARRAY_SIZE(networks); i++) {
if (streq(lightning_hrp, networks[i].lightning_hrp)) {
return &networks[i];
}
}
return NULL;
}
const char *chainparams_get_network_names(const tal_t *ctx)
{
char *networks_string = tal_strdup(ctx, networks[0].network_name);
for (size_t i = 1; i < ARRAY_SIZE(networks); ++i)
tal_append_fmt(&networks_string, ", %s", networks[i].network_name);
return networks_string;
}
int chainparams_get_ln_port(const struct chainparams *params)
{
assert(params);
return params->ln_port;
}
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