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core, eth, rpc: split out block validator and state processor

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This removes the burden on a single object to take care of all
validation and state processing. Now instead the validation is done by
the `core.BlockValidator` (`types.Validator`) that takes care of both
header and uncle validation through the `ValidateBlock` method and state
validation through the `ValidateState` method. The state processing is
done by a new object `core.StateProcessor` (`types.Processor`) and
accepts a new state as input and uses that to process the given block's
transactions (and uncles for rewords) to calculate the state root for
the next block (P_n + 1).
This commit is contained in:
Jeffrey Wilcke
2015-10-19 16:08:17 +02:00
parent 9422eec554
commit a1d9ef48c5
19 changed files with 702 additions and 643 deletions
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11
core/chain_makers.go
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@ -214,7 +214,7 @@ func makeHeader(parent *types.Block, state *state.StateDB) *types.Header {
// newCanonical creates a chain database, and injects a deterministic canonical
// chain. Depending on the full flag, if creates either a full block chain or a
// header only chain.
func newCanonical(n int, full bool) (ethdb.Database, *BlockProcessor, error) {
func newCanonical(n int, full bool) (ethdb.Database, *BlockChain, error) {
// Create te new chain database
db, _ := ethdb.NewMemDatabase()
evmux := &event.TypeMux{}
@ -223,23 +223,20 @@ func newCanonical(n int, full bool) (ethdb.Database, *BlockProcessor, error) {
genesis, _ := WriteTestNetGenesisBlock(db, 0)
blockchain, _ := NewBlockChain(db, FakePow{}, evmux)
processor := NewBlockProcessor(db, FakePow{}, blockchain, evmux)
processor.bc.SetProcessor(processor)
// Create and inject the requested chain
if n == 0 {
return db, processor, nil
return db, blockchain, nil
}
if full {
// Full block-chain requested
blocks := makeBlockChain(genesis, n, db, canonicalSeed)
_, err := blockchain.InsertChain(blocks)
return db, processor, err
return db, blockchain, err
}
// Header-only chain requested
headers := makeHeaderChain(genesis.Header(), n, db, canonicalSeed)
_, err := blockchain.InsertHeaderChain(headers, 1)
return db, processor, err
return db, blockchain, err
}
// makeHeaderChain creates a deterministic chain of headers rooted at parent.