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Add support for stop/[start,stop] ranges to scantxoutset

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pull/643/head
Pieter Wuille 6 years ago
parent 6b9f45e81b
commit 4566011631
2 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File

15
src/rpc/blockchain.cpp
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@ -2159,7 +2159,7 @@ UniValue scantxoutset(const JSONRPCRequest& request)
{"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "An object with output descriptor and metadata",
{
{"desc", RPCArg::Type::STR, RPCArg::Optional::NO, "An output descriptor"},
{"range", RPCArg::Type::NUM, /* default */ "1000", "Up to what child index HD chains should be explored"},
{"range", RPCArg::Type::RANGE, /* default */ "1000", "The range of HD chain indexes to explore (either end or [begin,end])"},
},
},
},
@ -2216,7 +2216,7 @@ UniValue scantxoutset(const JSONRPCRequest& request)
// loop through the scan objects
for (const UniValue& scanobject : request.params[1].get_array().getValues()) {
std::string desc_str;
int range = 1000;
std::pair<int64_t, int64_t> range = {0, 1000};
if (scanobject.isStr()) {
desc_str = scanobject.get_str();
} else if (scanobject.isObject()) {
@ -2225,8 +2225,8 @@ UniValue scantxoutset(const JSONRPCRequest& request)
desc_str = desc_uni.get_str();
UniValue range_uni = find_value(scanobject, "range");
if (!range_uni.isNull()) {
range = range_uni.get_int();
if (range < 0 || range > 1000000) throw JSONRPCError(RPC_INVALID_PARAMETER, "range out of range");
range = ParseRange(range_uni);
if (range.first < 0 || (range.second >> 31) != 0 || range.second >= range.first + 1000000) throw JSONRPCError(RPC_INVALID_PARAMETER, "range out of range");
}
} else {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Scan object needs to be either a string or an object");
@ -2237,8 +2237,11 @@ UniValue scantxoutset(const JSONRPCRequest& request)
if (!desc) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Invalid descriptor '%s'", desc_str));
}
if (!desc->IsRange()) range = 0;
for (int i = 0; i <= range; ++i) {
if (!desc->IsRange()) {
range.first = 0;
range.second = 0;
}
for (int i = range.first; i <= range.second; ++i) {
std::vector<CScript> scripts;
if (!desc->Expand(i, provider, scripts, provider)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Cannot derive script without private keys: '%s'", desc_str));

1
test/functional/rpc_scantxoutset.py
Unescape View File

@ -95,6 +95,7 @@ class ScantxoutsetTest(BitcoinTestFramework):
assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/1/1/*)", "range": 1500}])['total_amount'], Decimal("28.672"))
assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/1/1/*)", "range": 1499}])['total_amount'], Decimal("12.288"))
assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/1/1/*)", "range": 1500}])['total_amount'], Decimal("28.672"))
assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/1/1/*)", "range": [1500,1500]}])['total_amount'], Decimal("16.384"))
# Test the reported descriptors for a few matches
assert_equal(descriptors(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0h/0'/*)", "range": 1499}])), ["pkh([0c5f9a1e/0'/0'/0]026dbd8b2315f296d36e6b6920b1579ca75569464875c7ebe869b536a7d9503c8c)#dzxw429x", "pkh([0c5f9a1e/0'/0'/1]033e6f25d76c00bedb3a8993c7d5739ee806397f0529b1b31dda31ef890f19a60c)#43rvceed"])

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