Remove litecoin support.

No idea if it works, we don't test it and nobody runs it.  I guess not.

Signed-off-by: Rusty Russell <[email protected]>
Changelog-Removed: Config: non-functioning litecoin support (who knew we even had that?)

Author: rustyrussell

Dockerfile

@@ -45,15 +45,6 @@ RUN mkdir /opt/bitcoin && cd /opt/bitcoin \
     && tar -xzvf $BITCOIN_TARBALL $BD/ --strip-components=1 \
     && rm $BITCOIN_TARBALL
 
-ENV LITECOIN_VERSION 0.16.3
-ENV LITECOIN_URL https://download.litecoin.org/litecoin-${LITECOIN_VERSION}/linux/litecoin-${LITECOIN_VERSION}-${TARBALL_ARCH_FINAL}.tar.gz
-
-# install litecoin binaries
-RUN mkdir /opt/litecoin && cd /opt/litecoin \
-    && wget -qO litecoin.tar.gz "$LITECOIN_URL" \
-    && tar -xzvf litecoin.tar.gz litecoin-$LITECOIN_VERSION/bin/litecoin-cli --strip-components=1 --exclude=*-qt \
-    && rm litecoin.tar.gz
-
 FROM --platform=${DEFAULT_TARGETPLATFORM} ${BASE_DISTRO} AS base-builder
 RUN apt-get update -qq && \
     apt-get install -qq -y --no-install-recommends \
@@ -264,7 +255,6 @@ RUN --mount=type=bind,from=builder,source=/var/libpq,target=/var/libpq,rw \
 COPY --from=builder /tmp/lightning_install/ /usr/local/
 COPY --from=builder-python /root/.venvs/cln/lib/python3.11/site-packages /usr/local/lib/python3.11/dist-packages/
 COPY --from=downloader /opt/bitcoin/bin /usr/bin
-COPY --from=downloader /opt/litecoin/bin /usr/bin
 COPY tools/docker-entrypoint.sh entrypoint.sh
 
 EXPOSE 9735 9835

bitcoin/chainparams.c

@@ -163,58 +163,6 @@ const struct chainparams networks[] = {
      .bip32_key_version = {.bip32_pubkey_version = BIP32_VER_TEST_PUBLIC,
 			   .bip32_privkey_version = BIP32_VER_TEST_PRIVATE},
      .is_elements = false},
-    {.network_name = "litecoin",
-     .onchain_hrp = "ltc",
-     .lightning_hrp = "ltc",
-     .bip70_name = "main",
-     .genesis_blockhash = {{{.u.u8 = {0xe2, 0xbf, 0x04, 0x7e, 0x7e, 0x5a, 0x19,
-				      0x1a, 0xa4, 0xef, 0x34, 0xd3, 0x14, 0x97,
-				      0x9d, 0xc9, 0x98, 0x6e, 0x0f, 0x19, 0x25,
-				      0x1e, 0xda, 0xba, 0x59, 0x40, 0xfd, 0x1f,
-				      0xe3, 0x65, 0xa7, 0x12}}}},
-     .rpc_port = 9332,
-     .ln_port = 9735,
-     .cli = "litecoin-cli",
-     .cli_args = NULL,
-     .cli_min_supported_version = 150000,
-     .dust_limit = { 100000 },
-     .max_funding = AMOUNT_SAT_INIT(60 * ((1 << 24) - 1)),
-     .max_payment = AMOUNT_MSAT_INIT(60 * 0xFFFFFFFFULL),
-     .max_supply = AMOUNT_SAT_INIT(2100000000000000),
-     .when_lightning_became_cool = 1320000,
-     .p2pkh_version = 48,
-     .p2sh_version = 50,
-     .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 = "litecoin-testnet",
-     .onchain_hrp = "tltc",
-     .lightning_hrp = "tltc",
-     .bip70_name = "test",
-     .genesis_blockhash = {{{.u.u8 = {0xa0, 0x29, 0x3e, 0x4e, 0xeb, 0x3d, 0xa6,
-				      0xe6, 0xf5, 0x6f, 0x81, 0xed, 0x59, 0x5f,
-				      0x57, 0x88, 0x0d, 0x1a, 0x21, 0x56, 0x9e,
-				      0x13, 0xee, 0xfd, 0xd9, 0x51, 0x28, 0x4b,
-				      0x5a, 0x62, 0x66, 0x49}}}},
-     .rpc_port = 19332,
-     .ln_port = 9735,
-     .cli = "litecoin-cli",
-     .cli_args = "-testnet",
-     .cli_min_supported_version = 150000,
-     .dust_limit = { 100000 },
-     .max_funding = AMOUNT_SAT_INIT(60 * ((1 << 24) - 1)),
-     .max_payment = AMOUNT_MSAT_INIT(60 * 0xFFFFFFFFULL),
-     .max_supply = AMOUNT_SAT_INIT(2100000000000000),
-     .when_lightning_became_cool = 1,
-     .p2pkh_version = 111,
-     .p2sh_version = 58,
-     .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",

common/configdir.c

@@ -342,7 +342,7 @@ struct configvar **initial_config_opts(const tal_t *ctx,
 	opt_register_early_arg("--network", opt_set_network, opt_show_network,
 			       NULL,
 			       "Select the network parameters (bitcoin, testnet,"
-			       " signet, regtest, litecoin or litecoin-testnet)");
+			       " signet, or regtest)");
 	opt_register_early_noarg("--testnet",
 				 opt_set_specific_network, "testnet",
 				 "Alias for --network=testnet");

devtools/gossipwith.c

@@ -375,8 +375,7 @@ int main(int argc, char *argv[])
 	opt_register_arg("--network", opt_set_network, opt_show_network,
 	                 NULL,
 	                 "Select the network parameters (bitcoin, testnet, signet,"
-	                 " regtest, liquid, liquid-regtest, litecoin or"
-	                 " litecoin-testnet)");
+	                 " regtest, liquid, or liquid-regtest)");
 	opt_register_noarg("--must-get-max-messages", opt_set_bool, &no_early_close,
 			   "Fail with exit code 1 unless we reach maximum messages");
 	opt_register_noarg("--help|-h", opt_usage_and_exit,

doc/lightning-reckless.1.md

@@ -85,7 +85,7 @@ Available option flags:
 	request additional debug output
 
 **--network**=*network*
-	specify bitcoin, regtest, liquid, liquid-regtest, litecoin, signet,
+	specify bitcoin, regtest, liquid, liquid-regtest, signet,
 	or testnet networks. (default: bitcoin)
 
 NOTES

hsmd/libhsmd.c

@@ -2347,8 +2347,7 @@ u8 *hsmd_init(struct secret hsm_secret, const u64 hsmd_version,
 
 	/* Fill in the BIP32 tree for bitcoin addresses. */
 	/* In libwally-core, the version BIP32_VER_TEST_PRIVATE is for testnet/regtest,
-	 * and BIP32_VER_MAIN_PRIVATE is for mainnet. For litecoin, we also set it like
-	 * bitcoin else.*/
+	 * and BIP32_VER_MAIN_PRIVATE is for mainnet. */
 	do {
 		hkdf_sha256(bip32_seed, sizeof(bip32_seed),
 			    &salt, sizeof(salt),

tools/reckless

@@ -2033,7 +2033,7 @@ if __name__ == '__main__':
 
     NETWORK = 'regtest' if args.regtest else 'bitcoin'
     SUPPORTED_NETWORKS = ['bitcoin', 'regtest', 'liquid', 'liquid-regtest',
-                          'litecoin', 'signet', 'testnet', 'testnet4']
+                          'signet', 'testnet', 'testnet4']
     if args.version:
         report_version()
     elif args.cmd1 is None: