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package commands
import (
"context"
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"github.com/ledgerwatch/turbo-geth/common"
"github.com/ledgerwatch/turbo-geth/common/hexutil"
"github.com/ledgerwatch/turbo-geth/core"
"github.com/ledgerwatch/turbo-geth/core/types"
"github.com/ledgerwatch/turbo-geth/eth/stagedsync/stages"
"github.com/ledgerwatch/turbo-geth/ethdb"
"github.com/ledgerwatch/turbo-geth/internal/ethapi"
"github.com/ledgerwatch/turbo-geth/rpc"
)
// EthAPI is a collection of functions that are exposed in the
type EthAPI interface {
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Coinbase ( ctx context . Context ) ( common . Address , error )
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BlockNumber ( ctx context . Context ) ( hexutil . Uint64 , error )
GetBlockByNumber ( ctx context . Context , number rpc . BlockNumber , fullTx bool ) ( map [ string ] interface { } , error )
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GetBlockByHash ( ctx context . Context , hash common . Hash , fullTx bool ) ( map [ string ] interface { } , error )
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GetBalance ( ctx context . Context , address common . Address , blockNrOrHash rpc . BlockNumberOrHash ) ( * hexutil . Big , error )
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GetTransactionReceipt ( ctx context . Context , hash common . Hash ) ( map [ string ] interface { } , error )
GetLogs ( ctx context . Context , hash common . Hash ) ( [ ] [ ] * types . Log , error )
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Call ( ctx context . Context , args ethapi . CallArgs , blockNrOrHash rpc . BlockNumberOrHash , overrides * map [ common . Address ] ethapi . Account ) ( hexutil . Bytes , error )
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EstimateGas ( ctx context . Context , args ethapi . CallArgs ) ( hexutil . Uint64 , error )
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SendRawTransaction ( ctx context . Context , encodedTx hexutil . Bytes ) ( common . Hash , error )
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Syncing ( ctx context . Context ) ( interface { } , error )
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}
// APIImpl is implementation of the EthAPI interface based on remote Db access
type APIImpl struct {
db ethdb . KV
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ethBackend ethdb . Backend
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dbReader ethdb . Getter
chainContext core . ChainContext
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GasCap uint64
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}
// NewAPI returns APIImpl instance
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func NewAPI ( db ethdb . KV , dbReader ethdb . Getter , eth ethdb . Backend , gascap uint64 ) * APIImpl {
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return & APIImpl {
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db : db ,
dbReader : dbReader ,
ethBackend : eth ,
GasCap : gascap ,
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}
}
func ( api * APIImpl ) BlockNumber ( ctx context . Context ) ( hexutil . Uint64 , error ) {
execution , _ , err := stages . GetStageProgress ( api . dbReader , stages . Execution )
if err != nil {
return 0 , err
}
return hexutil . Uint64 ( execution ) , nil
}
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// Syncing - we can return the progress of the very first stage as the highest block, and then the progress of the very last stage as the current block
func ( api * APIImpl ) Syncing ( ctx context . Context ) ( interface { } , error ) {
highestBlock , _ , err := stages . GetStageProgress ( api . dbReader , stages . Headers )
if err != nil {
return false , err
}
currentBlock , _ , err := stages . GetStageProgress ( api . dbReader , stages . TxPool )
if err != nil {
return false , err
}
// Return not syncing if the synchronisation already completed
if currentBlock >= highestBlock {
return false , nil
}
// Otherwise gather the block sync stats
return map [ string ] hexutil . Uint64 {
"currentBlock" : hexutil . Uint64 ( currentBlock ) ,
"highestBlock" : hexutil . Uint64 ( highestBlock ) ,
} , nil
}