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This adds a simulator object with implements the SentryServer api but takes objects from a pre-existing snapshot file. If the snapshot is not available locally it will download and index the .seg file for the header range being asked for. It is created as follows: ```go sim, err := simulator.NewSentry(ctx, "mumbai", dataDir, 1, logger) ``` Where the arguments are: * ctx - a callable context where cancel will close the simulator torrent and file connections (it also has a Close method) * chain - the name of the chain to take the snapshots from * datadir - a directory potentially containing snapshot .seg files. If not files exist in this directory they will be downloaded * num peers - the number of peers the simulator should create * logger - the loger to log actions to It can be attached to a client as follows: ```go simClient := direct.NewSentryClientDirect(66, sim) ``` At the moment only very basic functionality is implemented: * get headers will return headers by range or hash (hash assumes a pre-downloaded .seg as it needs an index * the header replay semantics need to be confirmed * eth 65 and 66(+) messaging is supported * For details see: `simulator_test.go More advanced peer behavior (e.g. header rewriting) can be added Bodies/Transactions handling can be added |
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|---|---|---|
| .. | ||
| adapter | ||
| app | ||
| backup | ||
| builder | ||
| cli | ||
| cmdtest | ||
| debug | ||
| engineapi | ||
| execution/eth1 | ||
| jsonrpc | ||
| logging | ||
| mock | ||
| node | ||
| rlphacks | ||
| rpchelper | ||
| services | ||
| shards | ||
| silkworm | ||
| snapshotsync | ||
| stages | ||
| testlog | ||
| transactions | ||
| trie | ||
| README.md | ||
Erigon-API
Erigon-API is a set of tools for building applications containing Erigon node.
Our own binary erigon is built using it.
Modules
-
cli- erigon-cli, methods & helpers to run a CLI app with Erigon node. -
node- represents an Ethereum node, running devp2p and sync and writing state to the database. -
stagedsync- staged sync algorithm.
Examples
-
erigon- our binary is using erigon-api with all defaults -
erigoncustom- a very simple example of adding a custom stage, a custom bucket and a custom command-line parameter -
erigon-examples - a series of examples for Erigon api