102 lines
3.5 KiB
Markdown
102 lines
3.5 KiB
Markdown
# List of running node examples
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> All code snippets are run from the root project directory.
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## Run Waku node
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Running Waku node is a matter of a correct configuration. To enable Waku and JSON-RPC HTTP interface use:
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```shell script
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{
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"APIModules": "waku",
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"HTTPEnabled": true,
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"HTTPHost": "localhost",
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"HTTPPort": 8545,
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"WakuConfig": {
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"Enabled": true
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}
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}
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```
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This command will start a Waku node using the `eth.prod` fleet:
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```shell script
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$ ./build/bin/statusd -c ./_examples/waku.json
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```
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From now on, you can interact with Waku using HTTP interface:
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```shell script
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$ curl -XPOST http://localhost:8545 -H 'Content-type: application/json' -d '{"jsonrpc":"2.0","method":"waku_info","params":[],"id":1}'
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```
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## Whisper-Waku bridge
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This example demonstrates how bridging between Whisper and Waku works.
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First, start a Whisper node and listen to messages:
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```shell script
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# start node
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$ ./build/bin/statusd -c ./_examples/whisper.json -fleet eth.test -dir ./test-bridge-whisper -addr=:30313
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# create a symmetric key
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$ echo '{"jsonrpc":"2.0","method":"shh_generateSymKeyFromPassword","params":["test-channel"],"id":1}' | \
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nc -U ./test-bridge-whisper/geth.ipc
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{
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"jsonrpc": "2.0",
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"id": 1,
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"result": "7d521b2501ec6ed99787ecdec98390f141e6d823c703ad88b73a09d81b07e35e"
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}
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# create a message filter
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$ echo '{"jsonrpc":"2.0","method":"shh_newMessageFilter","params":[{"topics": ["0xaabbccdd"], "symKeyID":"7d521b2501ec6ed99787ecdec98390f141e6d823c703ad88b73a09d81b07e35e"}],"id":1}' | \
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nc -U ./test-bridge-whisper/geth.ipc
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{
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"jsonrpc": "2.0",
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"id": 1,
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"result": "8fd6c01721a90c6650223f8180afe10c66ea5ab30669797d8b42d09f65a819a6"
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}
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```
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In another terminal, start a Waku node and send messages:
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```shell script
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$ ./build/bin/statusd -c ./_examples/waku.json -fleet eth.test -dir ./test-bridge-waku -addr=:30303
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# create a symmetric key
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$ echo '{"jsonrpc":"2.0","method":"waku_generateSymKeyFromPassword","params":["test-channel"],"id":1}' | \
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nc -U ./test-waku-bridge/geth.ipc
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{
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"jsonrpc": "2.0",
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"id": 1,
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"result": "1e07adfcb80c9e9853fb2c4cce3d91c17edd17ab6e950387833d64878fe91624"
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}
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# send a message
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$ echo '{"jsonrpc":"2.0","method":"waku_post","params":[{"symKeyID":"1e07adfcb80c9e9853fb2c4cce3d91c17edd17ab6e950387833d64878fe91624", "ttl":100, "topic": "0xaabbccdd", "payload":"0x010203", "powTarget": 5.0, "powTime": 3}],"id":1}' | \
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nc -U ./test-waku-bridge/geth.ipc
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{
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"jsonrpc": "2.0",
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"id": 1,
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"result": "0x1832693cdb951b2cf459c9a6e98755407851af401ee1e7859a919ae95f79ef7a"
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}
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```
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Finally, check messages in Whisper node:
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```shell script
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$ echo '{"jsonrpc":"2.0","method":"shh_getFilterMessages","params":["8fd6c01721a90c6650223f8180afe10c66ea5ab30669797d8b42d09f65a819a6"],"id":1}' | \
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nc -U ./test-whisper-bridge/geth.ipc | jq .
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{
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"jsonrpc": "2.0",
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"id": 1,
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"result": [
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{
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"ttl": 100,
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"timestamp": 1582652341,
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"topic": "0xaabbccdd",
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"payload": "0xd31d35d36d37",
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"padding": "0x925591dc6f6b7d01bd687700a222004e133141b7bb8048ac45d90232d8025f02292aa83befe91fe8ec46a47e7bcfb09d8f2d3529afe4e1835315351248b6735a190c9915b021e54de1975ac9d801aff9dec7bfee4cbe9245c3caca70694fa95718e17f8a5b8385bfc3e7196328cdb4fe722e49368c308c35fe73573c639a54b944bc2e35b080b9d36e7d298340bed253be3a26ac609e19df25de90fd9ab4237423772077046805f8dc3d5ad028cc602fd687e98cbb2c4226cba54b7c3e28f6d22bee510db445fe64bfcc996ddcc40423e1fc9e7fd39e2c0b838ded69c451022fe9202b386d9bd17d47d33942c60172f22ab0d38675b0d92c",
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"pow": 17.418205980066446,
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"hash": "0x1832693cdb951b2cf459c9a6e98755407851af401ee1e7859a919ae95f79ef7a"
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}
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]
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}
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```
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