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 <rusty@rustcorp.com.au>
Changelog-Removed: Config: non-functioning litecoin support (who knew we even had that?)

Dockerfile

@@ -43,25 +43,6 @@ RUN gpg --quiet --import gpg/* && \
 
 RUN tar xzf ${BITCOIN_TARBALL} --strip-components=1
 
-ARG LITECOIN_VERSION=0.16.3
-ARG LITECOIN_BASE_URL=https://download.litecoin.org/litecoin-${LITECOIN_VERSION}
-ARG LITECOIN_URL=${LITECOIN_BASE_URL}/linux
-ARG LITECOIN_TARBALL=litecoin-${LITECOIN_VERSION}-${target_arch}.tar.gz
-
-WORKDIR /opt/litecoin
-
-ADD ${LITECOIN_URL}/${LITECOIN_TARBALL}        .
-ADD ${LITECOIN_URL}/${LITECOIN_TARBALL}.asc    .
-ADD ${LITECOIN_BASE_URL}/SHA256SUMS.asc        .
-COPY contrib/keys/litecoin/                    gpg/
-
-RUN gpg --quiet --import gpg/* && \
-    gpg --verify SHA256SUMS.asc && \
-    gpg --verify ${LITECOIN_TARBALL}.asc ${LITECOIN_TARBALL} && \
-    sha256sum -c SHA256SUMS.asc --ignore-missing
-
-RUN tar xzf ${LITECOIN_TARBALL} --strip-components=1
-
 FROM base-host AS base-builder
 
 RUN apt-get update && \
@@ -185,7 +166,6 @@ RUN apt-get update && \
     rm -rf /var/lib/apt/lists/*
 
 COPY --from=downloader    /opt/bitcoin/bin/bitcoin-cli      /usr/bin/
-COPY --from=downloader    /opt/litecoin/bin/litecoin-cli    /usr/bin/
 COPY --from=builder       /tmp/lightning_install/           /usr/local/
 
 COPY tools/docker-entrypoint.sh    /entrypoint.sh
@@ -197,4 +177,4 @@ ENV LIGHTNINGD_NETWORK=bitcoin
 
 EXPOSE 9735 9835
 VOLUME ["/root/.lightning"]
-ENTRYPOINT ["/entrypoint.sh"]
+ENTRYPOINT ["/entrypoint.sh"]

bitcoin/chainparams.c

@@ -162,58 +162,6 @@ 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

@@ -341,7 +341,7 @@ 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

@@ -369,8 +369,7 @@ 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"
+	                 " regtest, liquid, or liquid-regtest)");
-	                 " litecoin-testnet)");
 	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

@@ -2466,8 +2466,7 @@ u8 *hsmd_init(const u8 *secret_data, size_t secret_len, 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
+	 * and BIP32_VER_MAIN_PRIVATE is for mainnet. */
-	 * bitcoin else.*/
 	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: