diff options
author | Jeffrey Wilcke <jeffrey@ethereum.org> | 2017-05-23 16:40:09 +0800 |
---|---|---|
committer | Jeffrey Wilcke <jeffrey@ethereum.org> | 2017-05-23 16:40:09 +0800 |
commit | e16a7ef60ff1dedc3fe8f16e932466dc057787f7 (patch) | |
tree | 6c1b6f451594c659e239443b53479646545cdb33 /core/vm/intpool.go | |
parent | a816e756625d39fc9b544f97dfa218d885996f33 (diff) | |
download | dexon-e16a7ef60ff1dedc3fe8f16e932466dc057787f7.tar dexon-e16a7ef60ff1dedc3fe8f16e932466dc057787f7.tar.gz dexon-e16a7ef60ff1dedc3fe8f16e932466dc057787f7.tar.bz2 dexon-e16a7ef60ff1dedc3fe8f16e932466dc057787f7.tar.lz dexon-e16a7ef60ff1dedc3fe8f16e932466dc057787f7.tar.xz dexon-e16a7ef60ff1dedc3fe8f16e932466dc057787f7.tar.zst dexon-e16a7ef60ff1dedc3fe8f16e932466dc057787f7.zip |
core/vm: capped int pool
Diffstat (limited to 'core/vm/intpool.go')
-rw-r--r-- | core/vm/intpool.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/core/vm/intpool.go b/core/vm/intpool.go index 4f1228e14..384f5df59 100644 --- a/core/vm/intpool.go +++ b/core/vm/intpool.go @@ -20,6 +20,8 @@ import "math/big" var checkVal = big.NewInt(-42) +const poolLimit = 256 + // intPool is a pool of big integers that // can be reused for all big.Int operations. type intPool struct { @@ -37,6 +39,10 @@ func (p *intPool) get() *big.Int { return new(big.Int) } func (p *intPool) put(is ...*big.Int) { + if len(p.pool.data) > poolLimit { + return + } + for _, i := range is { // verifyPool is a build flag. Pool verification makes sure the integrity // of the integer pool by comparing values to a default value. |