func (self *GasPriceOracle) processPastBlocks(chain *core.BlockChain) {
last := int64(-1)
cblock := chain.CurrentBlock()
if cblock != nil {
last = int64(cblock.NumberU64())
}
first := int64(0)
if last > gpoProcessPastBlocks {
first = last - gpoProcessPastBlocks
}
self.firstProcessed = uint64(first)
for i := first; i <= last; i++ {
block := chain.GetBlockByNumber(uint64(i))
if block != nil {
self.processBlock(block)
}
}
}
