mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-06-19 21:31:37 +00:00
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
package ethapi
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import (
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"bytes"
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"github.com/XinFinOrg/XDPoSChain/common"
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"github.com/XinFinOrg/XDPoSChain/common/hexutil"
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"github.com/XinFinOrg/XDPoSChain/core/types"
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"github.com/XinFinOrg/XDPoSChain/rlp"
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"github.com/XinFinOrg/XDPoSChain/trie"
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)
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// proofPairList implements ethdb.KeyValueWriter and collects the proofs as
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// hex-strings of key and value for delivery to rpc-caller.
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type proofPairList struct {
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keys []string
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values []string
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}
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func (n *proofPairList) Put(key []byte, value []byte) error {
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n.keys = append(n.keys, hexutil.Encode(key))
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n.values = append(n.values, hexutil.Encode(value))
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return nil
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}
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func (n *proofPairList) Delete(key []byte) error {
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panic("not supported")
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}
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// modified from core/types/derive_sha.go
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func deriveTrie(list types.DerivableList) *trie.Trie {
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buf := new(bytes.Buffer)
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trie := new(trie.Trie)
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for i := range list.Len() {
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buf.Reset()
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rlp.Encode(buf, uint(i))
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key := common.CopyBytes(buf.Bytes())
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buf.Reset()
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list.EncodeIndex(i, buf)
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value := common.CopyBytes(buf.Bytes())
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trie.Update(key, value)
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}
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return trie
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}
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