StakeSquid/dshackle
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problem: OutOfBound array access

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This commit is contained in:
Igor Artamonov
2019-07-03 23:02:19 -04:00
parent 4680a4490c
commit dab115c9b2
1 changed files with 7 additions and 7 deletions
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14
src/main/kotlin/io/emeraldpay/dshackle/upstream/ChainConnect.kt
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@@ -48,10 +48,10 @@ class ChainConnect(
} }
class SingleApi( class SingleApi(
val quorumApi: QuorumApi private val quorumApi: QuorumApi
): Iterator<EthereumApi> { ): Iterator<EthereumApi> {
var consumed = false private var consumed = false
override fun hasNext(): Boolean { override fun hasNext(): Boolean {
return !consumed && quorumApi.hasNext() return !consumed && quorumApi.hasNext()
@@ -64,12 +64,12 @@ class ChainConnect(
} }
class QuorumApi( class QuorumApi(
val apis: List<Upstream>, private val apis: List<Upstream>,
val quorum: Int, private val quorum: Int,
var pos: Int private var pos: Int
): Iterator<EthereumApi> { ): Iterator<EthereumApi> {
var consumed = 0 private var consumed = 0
override fun hasNext(): Boolean { override fun hasNext(): Boolean {
return consumed < quorum return consumed < quorum
@@ -78,7 +78,7 @@ class ChainConnect(
override fun next(): EthereumApi { override fun next(): EthereumApi {
val start = pos val start = pos
while (pos < start + apis.size) { while (pos < start + apis.size) {
val api = apis[pos++] val api = apis[pos++ % apis.size]
if (api.isAvailable()) { if (api.isAvailable()) {
consumed++ consumed++
return api.api return api.api