mirror of
https://github.com/ethereum/go-ethereum.git
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59 lines
2 KiB
Go
59 lines
2 KiB
Go
// Copyright 2025 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package bintrie
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import (
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"bytes"
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"encoding/binary"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/holiman/uint256"
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)
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func TestGetBinaryTreeKeyCodeChunkBoundaries(t *testing.T) {
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addr := common.HexToAddress("0x1234567890abcdef1234567890abcdef12345678")
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for _, chunknr := range []uint64{0, 1, 127, 128, 255, 256, 257, 1024} {
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got := GetBinaryTreeKeyCodeChunk(addr, uint256.NewInt(chunknr))
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var offset [HashSize]byte
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binary.BigEndian.PutUint64(offset[24:], chunknr+128)
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want := GetBinaryTreeKey(addr, offset[:])
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if !bytes.Equal(got, want) {
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t.Fatalf("wrong code chunk key for chunk=%d: got=%x want=%x", chunknr, got, want)
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}
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}
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}
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func TestGetBinaryTreeKeyCodeChunkLargeIndex(t *testing.T) {
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addr := common.HexToAddress("0x1234567890abcdef1234567890abcdef12345678")
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var chunknr uint256.Int
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chunknr.SetBytes(common.FromHex("0x0102030405060708090a0b0c0d0e0f10"))
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got := GetBinaryTreeKeyCodeChunk(addr, &chunknr)
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var offset uint256.Int
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offset.Add(codeOffset, &chunknr)
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offsetBytes := offset.Bytes32()
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want := GetBinaryTreeKey(addr, offsetBytes[:])
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if !bytes.Equal(got, want) {
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t.Fatalf("wrong code chunk key for large chunk index: got=%x want=%x", got, want)
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}
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}
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