diff --git a/contrib/sdl_checkpoints.pl b/contrib/sdl_checkpoints.pl new file mode 100755 index 000000000..e140fb0ec --- /dev/null +++ b/contrib/sdl_checkpoints.pl @@ -0,0 +1,44 @@ +#!/usr/bin/perl +# Copyright (c) 2016-2022 The Hush developers +# Distributed under the GPLv3 software license, see the accompanying +# file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html + +# This script is used to generate the data used by the silentdragonlite-cli checkpoints.rs file +# https://git.hush.is/hush/silentdragonlite-cli/src/branch/master/lib/src/lightclient/checkpoints.rs#L24 + +use warnings; +use strict; +my $hush = "./src/hush-cli"; +my $gethash = "$hush getblockhash"; +my $gettree = "$hush getblockmerkletree"; +my $start = shift || 300000; +my $end = shift || 840000; +my $stride = shift || 10000; + +my $blocks = qx{$hush getblockcount}; +if($?) { + print "ERROR, is hushd running? exiting...\n"; + exit 1; +} + +if ($end > $blocks) { + print "The block $end is beyond how many blocks this node knows about, exiting...\n"; + exit 1; +} + +if ($start < 1) { + print "Invalid start block $start, exiting...\n"; + exit 1; +} + +my $block = $start; +while (1) { + last if $block > $end; + my $blockhash = qx{$gethash $block}; + my $merkle = qx{$gettree $block}; + chomp $merkle; + chomp $blockhash; + print qq{($block,"$blockhash",\n\t"$merkle"\n),\n}; + + $block += $stride; +} diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp index 5f3a54d2f..90b8e7201 100644 --- a/src/rpc/blockchain.cpp +++ b/src/rpc/blockchain.cpp @@ -856,6 +856,39 @@ UniValue gettxoutsetinfo(const UniValue& params, bool fHelp, const CPubKey& mypk return ret; } +UniValue getblockmerkletree(const UniValue& params, bool fHelp, const CPubKey& mypk) +{ + if (fHelp || params.size() != 1 ) + throw runtime_error( + "getblockmerkletree height\n" + "\nGet full merkletree for a given Hush or HSC block height.\n" + "\nArguments:\n" + "1. height (int, required) block height\n" + "\nResult:\n" + "\"hex\" (string) the merkle tree hex encoded\n" + + HelpExampleCli("getblockmerkletree", "290000") + + HelpExampleRpc("getblockmerkletree", "290000") + ); + + CBlockIndex* phushblockindex; + uint256 blockRoot; + SaplingMerkleTree tree; + + int nHeight = params[0].get_int(); + if ( (nHeight < 1) || (nHeight > chainActive.LastTip()->GetHeight()) ) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid Hush or HSC block height parameter"); + } + + phushblockindex = chainActive[nHeight]; + blockRoot = phushblockindex->hashFinalSaplingRoot; + if( pcoinsTip->GetSaplingAnchorAt(blockRoot, tree) ) { + CDataStream ss(SER_NETWORK, PROTOCOL_VERSION); + ss << tree; + return HexStr(ss.begin(), ss.end()); + } else { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Could not find merkletree"); + } +} UniValue kvsearch(const UniValue& params, bool fHelp, const CPubKey& mypk) { @@ -1877,6 +1910,7 @@ static const CRPCCommand commands[] = { "blockchain", "getblockcount", &getblockcount, true }, { "blockchain", "getblock", &getblock, true }, { "blockchain", "getblockhash", &getblockhash, true }, + { "blockchain", "getblockmerkletree", &getblockmerkletree, true }, { "blockchain", "getblockheader", &getblockheader, true }, { "blockchain", "getchaintips", &getchaintips, true }, { "blockchain", "getchaintxstats", &getchaintxstats, true }, diff --git a/src/rpc/client.cpp b/src/rpc/client.cpp index 916273043..e427ec3ff 100644 --- a/src/rpc/client.cpp +++ b/src/rpc/client.cpp @@ -63,6 +63,7 @@ static const CRPCConvertParam vRPCConvertParams[] = { "getbalance", 1 }, { "getbalance", 2 }, { "getblockhash", 0 }, + { "getblockmerkletree", 0 }, { "move", 2 }, { "move", 3 }, { "sendfrom", 2 },