package core import ( "fmt" . "github.com/tendermint/tendermint/common" "github.com/tendermint/tendermint/types" ) //----------------------------------------------------------------------------- func BlockchainInfo(minHeight, maxHeight uint) (*ResponseBlockchainInfo, error) { if maxHeight == 0 { maxHeight = blockStore.Height() } else { maxHeight = MinUint(blockStore.Height(), maxHeight) } if minHeight == 0 { minHeight = uint(MaxInt(1, int(maxHeight)-20)) } log.Debug("BlockchainInfoHandler", "maxHeight", maxHeight, "minHeight", minHeight) blockMetas := []*types.BlockMeta{} for height := maxHeight; height >= minHeight; height-- { blockMeta := blockStore.LoadBlockMeta(height) blockMetas = append(blockMetas, blockMeta) } return &ResponseBlockchainInfo{blockStore.Height(), blockMetas}, nil } //----------------------------------------------------------------------------- func GetBlock(height uint) (*ResponseGetBlock, error) { if height == 0 { return nil, fmt.Errorf("height must be greater than 0") } if height > blockStore.Height() { return nil, fmt.Errorf("height must be less than the current blockchain height") } blockMeta := blockStore.LoadBlockMeta(height) block := blockStore.LoadBlock(height) return &ResponseGetBlock{blockMeta, block}, nil }