gaspersic/go-ethereum
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

all: simplify timestamps to uint64 (#19372)

Browse Source 
* all: simplify timestamps to uint64

* tests: update definitions

* clef, faucet, mobile: leftover uint64 fixups

* ethash: fix tests

* graphql: update schema for timestamp

* ethash: remove unused variable
This commit is contained in:
Martin Holst Swende
2019-04-02 22:28:48 +02:00
committed by Péter Szilágyi
parent e14f8a408c
commit 0b4fe8d192
27 changed files with 85 additions and 89 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
consensus/ethash/consensus.go
View File

@ -63,7 +63,6 @@ var (
// codebase, inherently breaking if the engine is swapped out. Please put common
// error types into the consensus package.
var (
errLargeBlockTime = errors.New("timestamp too big")
errZeroBlockTime = errors.New("timestamp equals parent's")
errTooManyUncles = errors.New("too many uncles")
errDuplicateUncle = errors.New("duplicate uncle")
@ -242,20 +241,16 @@ func (ethash *Ethash) verifyHeader(chain consensus.ChainReader, header, parent *
return fmt.Errorf("extra-data too long: %d > %d", len(header.Extra), params.MaximumExtraDataSize)
}
// Verify the header's timestamp
if uncle {
if header.Time.Cmp(math.MaxBig256) > 0 {
return errLargeBlockTime
}
} else {
if header.Time.Cmp(big.NewInt(time.Now().Add(allowedFutureBlockTime).Unix())) > 0 {
if !uncle {
if header.Time > uint64(time.Now().Add(allowedFutureBlockTime).Unix()) {
return consensus.ErrFutureBlock
}
}
if header.Time.Cmp(parent.Time) <= 0 {
if header.Time <= parent.Time {
return errZeroBlockTime
}
// Verify the block's difficulty based in it's timestamp and parent's difficulty
expected := ethash.CalcDifficulty(chain, header.Time.Uint64(), parent)
expected := ethash.CalcDifficulty(chain, header.Time, parent)
if expected.Cmp(header.Difficulty) != 0 {
return fmt.Errorf("invalid difficulty: have %v, want %v", header.Difficulty, expected)
@ -349,7 +344,7 @@ func makeDifficultyCalculator(bombDelay *big.Int) func(time uint64, parent *type
// ) + 2^(periodCount - 2)
bigTime := new(big.Int).SetUint64(time)
bigParentTime := new(big.Int).Set(parent.Time)
bigParentTime := new(big.Int).SetUint64(parent.Time)
// holds intermediate values to make the algo easier to read & audit
x := new(big.Int)
@ -408,7 +403,7 @@ func calcDifficultyHomestead(time uint64, parent *types.Header) *big.Int {
// ) + 2^(periodCount - 2)
bigTime := new(big.Int).SetUint64(time)
bigParentTime := new(big.Int).Set(parent.Time)
bigParentTime := new(big.Int).SetUint64(parent.Time)
// holds intermediate values to make the algo easier to read & audit
x := new(big.Int)
@ -456,7 +451,7 @@ func calcDifficultyFrontier(time uint64, parent *types.Header) *big.Int {
bigParentTime := new(big.Int)
bigTime.SetUint64(time)
bigParentTime.Set(parent.Time)
bigParentTime.SetUint64(parent.Time)
if bigTime.Sub(bigTime, bigParentTime).Cmp(params.DurationLimit) < 0 {
diff.Add(parent.Difficulty, adjust)
@ -558,7 +553,7 @@ func (ethash *Ethash) Prepare(chain consensus.ChainReader, header *types.Header)
if parent == nil {
return consensus.ErrUnknownAncestor
}
header.Difficulty = ethash.CalcDifficulty(chain, header.Time.Uint64(), parent)
header.Difficulty = ethash.CalcDifficulty(chain, header.Time, parent)
return nil
}