Official Go implementation of the Ethereum protocol

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Martin Holst Swende 794c6133ef core/rawdb: freezer batch write (#23462) ... This change is a rewrite of the freezer code. When writing ancient chain data to the freezer, the previous version first encoded each individual item to a temporary buffer, then wrote the buffer. For small item sizes (for example, in the block hash freezer table), this strategy causes a lot of system calls for writing tiny chunks of data. It also allocated a lot of temporary []byte buffers. In the new version, we instead encode multiple items into a re-useable batch buffer, which is then written to the file all at once. This avoids performing a system call for every inserted item. To make the internal batching work, the ancient database API had to be changed. While integrating this new API in BlockChain.InsertReceiptChain, additional optimizations were also added there. Co-authored-by: Felix Lange <fjl@twurst.com>		3 years ago
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dbtest	all: simplify and fix database iteration with prefix/start (#20808)	4 years ago
leveldb	all: add go:build lines (#23468)	3 years ago
memorydb	core, eth, ethdb, trie: simplify range proofs	3 years ago
batch.go	core, eth, ethdb, trie: simplify range proofs	3 years ago
database.go	core/rawdb: freezer batch write (#23462)	3 years ago
iterator.go	all: simplify and fix database iteration with prefix/start (#20808)	4 years ago