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Merge bitcoin/bitcoin#21786: wallet: ensure sat/vB feerates are in range (mantissa of 3)

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847288df07 test: fee rate values that cannot be represented as sat/vB (Jon Atack)
06a90fa038 rpc: for sat/vB fee rates, limit ParseFixedPoint decimals to 3 (Jon Atack)
0742c7840f rpc: enable passing decimals to AmountFromValue, add doxygen (Jon Atack)
8ce3ef57a3 test: ParseFixedPoint with 3 decimals for sat/vB fee rates (Jon Atack)
b503327597 test: type error and out of range fee rates where missing (Jon Atack)
c5fd4344f7 test: explicit fee rates with invalid amounts (Jon Atack)
ea6f76b66e test: improve zero-value explicit fee rate coverage (Jon Atack)

Pull request description:

  - Improve/close gaps in existing test coverage before making the change
  - Enable passing `decimals` to `ParseFixedPoint()` when calling `AmountFromValue()`
  - Limit explicit fee rates in sat/vB passed in by users to 3 decimals, and raise otherwise
  - Add regression test coverage

  Closes #20534.

ACKs for top commit:
  MarcoFalke:
    review ACK 847288df07 🔷

Tree-SHA512: c539d07ae9b21c0d6c8ea460beb9c8dad5559445518aace560abc3c05c588907bae189b6fd7602b3b397de4a42356136c3ec6f960d3dcf2d5d16377aef4ab5a2
This commit is contained in:
MarcoFalke
2021-05-10 09:02:42 +02:00
parent 2a22d903f3 847288df07
commit adf7843410
9 changed files with 126 additions and 38 deletions
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9
src/rpc/util.h
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@@ -77,7 +77,14 @@ extern uint256 ParseHashO(const UniValue& o, std::string strKey);
extern std::vector<unsigned char> ParseHexV(const UniValue& v, std::string strName);
extern std::vector<unsigned char> ParseHexO(const UniValue& o, std::string strKey);
extern CAmount AmountFromValue(const UniValue& value);
/**
* Validate and return a CAmount from a UniValue number or string.
*
* @param[in] value UniValue number or string to parse.
* @param[in] decimals Number of significant digits (default: 8).
* @returns a CAmount if the various checks pass.
*/
extern CAmount AmountFromValue(const UniValue& value, int decimals = 8);
using RPCArgList = std::vector<std::pair<std::string, UniValue>>;
extern std::string HelpExampleCli(const std::string& methodname, const std::string& args);