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getBlockSigners-getBlockFinality: refactoring after code review

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This commit is contained in:
parmarrushabh 2018-12-24 11:47:18 +05:30
parent 981f22d779
commit 9250beba44
1 changed files with 21 additions and 11 deletions
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32
internal/ethapi/api.go
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@ -611,12 +611,12 @@ func (s *PublicBlockChainAPI) GetStorageAt(ctx context.Context, address common.A
func (s *PublicBlockChainAPI) GetBlockSignersByHash(ctx context.Context, blockHash common.Hash) ([]common.Address, error) {
block, err := s.b.GetBlock(ctx, blockHash)
if err != nil || block == nil {
return nil, err
return []common.Address{}, err
}
masternodes, err := s.GetMasternodes(block, ctx)
if err != nil || len(masternodes) == 0 {
log.Error("Failed to get masternodes")
return nil, err
log.Error("Failed to get masternodes", "err", err, "len(masternodes)", len(masternodes))
return []common.Address{}, err
}
return s.rpcOutputBlockSigners(block, ctx, masternodes)
}
@ -624,12 +624,12 @@ func (s *PublicBlockChainAPI) GetBlockSignersByHash(ctx context.Context, blockHa
func (s *PublicBlockChainAPI) GetBlockSignersByNumber(ctx context.Context, blockNumber rpc.BlockNumber) ([]common.Address, error) {
block, err := s.b.BlockByNumber(ctx, blockNumber)
if err != nil || block == nil {
return nil, err
return []common.Address{}, err
}
masternodes, err := s.GetMasternodes(block, ctx)
if err != nil || len(masternodes) == 0 {
log.Error("Failed to get masternodes")
return nil, err
log.Error("Failed to get masternodes", "err", err, "len(masternodes)", len(masternodes))
return []common.Address{}, err
}
return s.rpcOutputBlockSigners(block, ctx, masternodes)
}
@ -641,10 +641,13 @@ func (s *PublicBlockChainAPI) GetBlockFinalityByHash(ctx context.Context, blockH
}
masternodes, err := s.GetMasternodes(block, ctx)
if err != nil || len(masternodes) == 0 {
log.Error("Failed to get masternodes")
log.Error("Failed to get masternodes", "err", err, "len(masternodes)", len(masternodes))
return int32(0), err
}
blockSigners, err := s.rpcOutputBlockSigners(block, ctx, masternodes)
if err != nil {
return int32(0), err
}
return int32(100 * len(blockSigners) / len(masternodes)), err
}
@ -655,10 +658,13 @@ func (s *PublicBlockChainAPI) GetBlockFinalityByNumber(ctx context.Context, bloc
}
masternodes, err := s.GetMasternodes(block, ctx)
if err != nil || len(masternodes) == 0 {
log.Error("Failed to get masternodes")
log.Error("Failed to get masternodes", "err", err, "len(masternodes)", len(masternodes))
return int32(0), err
}
blockSigners, err := s.rpcOutputBlockSigners(block, ctx, masternodes)
if err != nil {
return int32(0), err
}
return int32(100 * len(blockSigners) / len(masternodes)), err
}
func (s *PublicBlockChainAPI) GetMasternodes(b *types.Block, ctx context.Context) ([]common.Address, error) {
@ -677,6 +683,8 @@ func (s *PublicBlockChainAPI) GetMasternodes(b *types.Block, ctx context.Context
if prevCheckpointBlock != nil {
masternodes = engine.GetMasternodesFromCheckpointHeader(prevCheckpointBlock.Header(), curBlockNumber, s.b.ChainConfig().XDPoS.Epoch)
}
} else {
log.Error("Undefined XDPoS consensus engine")
}
}
return masternodes, nil
@ -936,7 +944,7 @@ func (s *PublicBlockChainAPI) rpcOutputBlockSigners(b *types.Block, ctx context.
client, err := s.b.GetIPCClient()
if err != nil {
log.Error("Fail to connect IPC client for block status", "error", err)
return nil, err
return []common.Address{}, err
}
var signers []common.Address
@ -952,13 +960,13 @@ func (s *PublicBlockChainAPI) rpcOutputBlockSigners(b *types.Block, ctx context.
prevBlock, err := s.b.BlockByNumber(ctx, rpc.BlockNumber(prevBlockNumber))
if err != nil {
log.Error("Fail to get previous block", "error", err)
return nil, err
return []common.Address{}, err
}
addrBlockSigner := common.HexToAddress(common.BlockSigners)
signers, err = contracts.GetSignersByExecutingEVM(addrBlockSigner, client, prevBlock.Hash())
if err != nil {
log.Error("Fail to get signers from block signer SC.", "error", err)
return nil, err
return []common.Address{}, err
}
validator, _ := engine.RecoverValidator(b.Header())
creator, _ := engine.RecoverSigner(b.Header())
@ -972,6 +980,8 @@ func (s *PublicBlockChainAPI) rpcOutputBlockSigners(b *types.Block, ctx context.
}
}
}
} else {
log.Error("Undefined XDPoS consensus engine")
}
}
return filterSigners, nil