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Add addPeer RPC #1033
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Add addPeer RPC #1033
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AskAlexSharov
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This PR mirrors testinprod-io#54. Actual implementation for `admin_addPeer` method. RPC Spec: Refer to https://geth.ethereum.org/docs/interacting-with-geth/rpc/ns-admin. > The addPeer administrative method requests adding a new remote node to the list of tracked static nodes. The node will try to maintain connectivity to these nodes at all times, reconnecting every once in a while if the remote connection goes down. Requires ledgerwatch/erigon-lib#1033 After ledgerwatch/erigon-lib#1033 is merged, will update erigon-lib version, removing replace at go.mod. Note that even if RPC response returns `true`, it does not guarantee that RLPx protocol is established between peers. It just adds node entrypoint to its static peer list, and periodically tries and tests connections. ## Testing This RPC needs integration testing, so I made some scenario. Use below command for testing: Spin up two dev nodes which p2p enabled: Start Node 1: RPC running at port 8545: ```sh ./build/bin/erigon --datadir=dev --chain=dev --port=30303 --http.port=8545 --authrpc.port=8551 --torrent.port=42069 --no-downloader --nodiscover --private.api.addr=127.0.0.1:9090 --http --ws --http.api=admin --p2p.allowed-ports=30306,30307,30308 --authrpc.jwtsecret=/tmp/jwt1 --p2p.protocol=67,68 --log.console.verbosity=5 ``` Start Node 2: RPC running at port 8546: ```sh ./build/bin/erigon --datadir=dev2 --chain=dev --port=30304 --http.port=8546 --authrpc.port=8552 --torrent.port=42068 --no-downloader --nodiscover --private.api.addr=127.0.0.1:9091 --http --ws --http.api=admin --p2p.allowed-ports=30309,30310,30311 --authrpc.jwtsecret=/tmp/jwt2 --p2p.protocol=67,68 --log.console.verbosity=5 ``` Get nodeInfo of node 1 using `admin_nodeInfo` RPC: ```sh curl --location 'localhost:8545/' \ --header 'Content-Type: application/json' \ --data '{ "jsonrpc":"2.0", "method":"admin_nodeInfo", "params":[], "id":1 }' ``` Example response: ``` { "jsonrpc": "2.0", "id": 1, "result": { "id": "b75e0c4d2113b6f144ea8fd356a8f90e612a2a5f48a13c78d7e0e176e5724eb2", "name": "erigon/v2.47.0-dev-5d86cdb5/darwin-arm64/go1.19.6", "enode": "enode://05ab575d947f2d73065ea0f795dc2d96ed0ad603f3e730ab90dc881122d552c9f59ffcb148fe50546bec8b319daeb3c22ec02e7d12a7c4f2ac4cd26456a04a7c@127.0.0.1:30303?discport=0", ... ``` Get nodeInfo of node 2 using `admin_nodeInfo` RPC: ```sh curl --location 'localhost:8546/' \ --header 'Content-Type: application/json' \ --data '{ "jsonrpc":"2.0", "method":"admin_nodeInfo", "params":[], "id":2 }' ``` Example response: ``` { "jsonrpc": "2.0", "id": 2, "result": { "id": "32d721e4d75219b021d7f83235f1f1eb8b705d6f85e634bccde564b8f7f94d78", "name": "erigon/v2.47.0-dev-5d86cdb5/darwin-arm64/go1.19.6", "enode": "enode://1abb8579647779e13b7f68d18f9c776cbd29281841c7f950e9cf9afa996e31120a6f481cea8e90e0f42a0eb1aa00aeafee81c4bae6c31aa16810b795c6d6e069@127.0.0.1:30304?discport=0", ... ``` Call `admin_addPeer` RPC to node 2: ```sh curl --location 'localhost:8546/' \ --header 'Content-Type: application/json' \ --data '{ "jsonrpc":"2.0", "method":"admin_addPeer", "params":["enode://05ab575d947f2d73065ea0f795dc2d96ed0ad603f3e730ab90dc881122d552c9f59ffcb148fe50546bec8b319daeb3c22ec02e7d12a7c4f2ac4cd26456a04a7c@127.0.0.1:30303"], "id":2 }' ``` Example response: ``` { "jsonrpc": "2.0", "id": 2, "result": true } ``` Check peer info of node 1 using `admin_peers` RPC: ```sh curl --location 'localhost:8545/' \ --header 'Content-Type: application/json' \ --data '{ "jsonrpc":"2.0", "method":"admin_peers", "params":[], "id":1 }' ``` Example response: ``` { "jsonrpc": "2.0", "id": 1, "result": [ { "enode": "enode://1abb8579647779e13b7f68d18f9c776cbd29281841c7f950e9cf9afa996e31120a6f481cea8e90e0f42a0eb1aa00aeafee81c4bae6c31aa16810b795c6d6e069@127.0.0.1:55426", "id": "32d721e4d75219b021d7f83235f1f1eb8b705d6f85e634bccde564b8f7f94d78", "name": "erigon/v2.47.0-dev-5d86cdb5/darwin-arm64/go1.19.6", "caps": [ "eth/66", "eth/67" ], "network": { "localAddress": "127.0.0.1:30303", "remoteAddress": "127.0.0.1:55426", "inbound": true, "trusted": false, "static": false }, "protocols": null } ] } ``` --------- Co-authored-by: alex.sharov <AskAlexSharov@gmail.com>
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This PR mirrors testinprod-io#12.
Library implementation for
admin_addPeermethod.RPC Spec: Refer to https://geth.ethereum.org/docs/interacting-with-geth/rpc/ns-admin.
Requires erigontech/interfaces#174.
After erigontech/interfaces#174 is merged, will update interfaces version, removing
replaceatgo.mod.