mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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60f4b3a46d
* fix/add_4th_parameter_to_parity_list
* Change blocknum type from interface{} to rpc.BlockNumberOrHash
* Change latest block check
145 lines
5.4 KiB
Markdown
145 lines
5.4 KiB
Markdown
Steps to setup and run Erigon dev chain. This tutorial is made for macOS.
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## 1. Clone and Build Erigon
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Open terminal 1 and type the following command
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```bash
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git clone --recurse-submodules -j8 https://github.com/ledgerwatch/erigon.git
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cd erigon
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make erigon
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```
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## 2. Build RPCdeamon
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On the same terminal folder you can build the RPC daemon.
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```bash
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make rpcdaemon
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```
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## 3. Start Node 1
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If evereything is fine, by changing directory to erigon/build/bin you will see the two exec for erigon and rpc daemon.
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On the terminal you can type the following command to start node1.
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```bash
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./erigon --datadir=dev --chain dev --private.api.addr=localhost:9090 --mine
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```
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Argument notes:
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* datadir : Tells where the data is stored, default level is dev folder.
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* chain : Tells that we want to run Erigon in the dev chain.
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* private.api.addr=localhost:9090 : Tells where Eigon is going to listen for connections.
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* mine : Add this if you want the node to mine.
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* dev.period <number-of-seconds>: Add this to specify the timing interval amongst blocks. Number of seconds MUST be > 0 (if you want empty blocks) otherwise the default value 0 does not allow mining of empty blocks.
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The result will be somenthing like this:
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<img width="1652" alt="Node 1 start" src="https://user-images.githubusercontent.com/24697803/140478108-c93a131d-745d-45ac-a76f-9bb808e504df.png">
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Now save the enode information generated in the logs, we will use this in a minute. Here there is an example.
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```
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enode://d30d079163d7b69fcb261c0538c0c3faba4fb4429652970e60fa25deb02a789b4811e98b468726ba0be63b9dc925a019f433177eb6b45c23bb78892f786d8f7a@127.0.0.1:53171
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```
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## 4. Start RPC deamon
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Open terminal 2 and navigate to erigon/build/bin folder. Here type the following command
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```bash
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./rpcdaemon --datadir=dev --private.api.addr=localhost:9090 --http.api=eth,erigon,web3,net,debug,trace,txpool,parity
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```
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The result will look like this:
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<img width="1636" alt="rpc daemon start" src="https://user-images.githubusercontent.com/24697803/140478408-ac1be94a-4a63-42c6-8673-e24decadd658.png">
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## 5. Start Node 2
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Node 2 has to connect to Node 1 in order to sync. As such, we will use the argument --staticpeers.
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To tell Node 2 where Node 1 is we will use the Enode info of Node 1 we saved before.
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Open terminal 3 and navigate to erigon/build/bin folder. Paste in the following command the Enode info and run it, be careful to remove the last part ?discport=0.
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```bash
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./erigon --datadir=dev2 --chain dev --private.api.addr=localhost:9091 \
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--staticpeers "enode://d30d079163d7b69fcb261c0538c0c3faba4fb4429652970e60fa25deb02a789b4811e98b468726ba0be63b9dc925a019f433177eb6b45c23bb78892f786d8f7a@127.0.0.1:53171" \
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--nodiscover
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```
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To check if the nodes are connected, you can go to the log of both the nodes and look for the line
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``` [p2p] GoodPeers eth66=1 ```
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Note: this might take a while it is not istantaneus, also if you see a 1 on either one of the two the node is fine.
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## 6. Interact with the node using RPC
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Open a terminal 4 and type
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```bash
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curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "method": "eth_chainId", "params": [], "id":1}' localhost:8545
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```
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The result should look like this:
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```json
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{"jsonrpc":"2.0","id":1,"result":"0x539"}
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```
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Other commands you can try:
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```bash
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curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "method": "eth_gasPrice", "params": [], "id":1}' localhost:8545
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```
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```bash
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curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "method": "eth_mining", "params": [], "id":1}' localhost:8545
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```
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```bash
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curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "method": "eth_syncing", "params": [], "id":1}' localhost:8545
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```
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```bash
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curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "method": "net_peerCount", "params": [], "id":74}' localhost:8545
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```
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```bash
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curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "method": "eth_blockNumber", "params": [], "id":83}' localhost:8545
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```
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## 7. Send a transaction with metamask
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Finally, we want to try sending a transaction between two accounts.
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For this example we will use dev accounts retrived from Erigon code:
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* Account with balance (Dev 1)
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* address = ``` 0x67b1d87101671b127f5f8714789C7192f7ad340e ```
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* privateKey = ``` 26e86e45f6fc45ec6e2ecd128cec80fa1d1505e5507dcd2ae58c3130a7a97b48 ```
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* Empty account (Dev 2)
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* address = ``` 0xa94f5374Fce5edBC8E2a8697C15331677e6EbF0B ```
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* privateKey = ``` 45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8 ```
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Now from metamask, you can import Dev 1 , and then send a transaction to pass some ethers from Dev 1 to Dev 2.
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From the RPC daemon terminal, you will see something like this
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<img width="1633" alt="Transaction example" src="https://user-images.githubusercontent.com/24697803/140479146-94b6e66c-22b7-4d8a-a160-b3643d27b612.png">
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Finally you will see the ethers in the Dev 2 account balance.
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## 7. Check a mined block
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Now we want to check the creation of a new block and that all the nodes sync.
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Below we can see that block 1 is created (blocn_num=1) and that the next block to be proposed increments from 1 to 2 ( block=2). The other nodes will see the same update.
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<img width="1327" alt="Block" src="https://user-images.githubusercontent.com/24697803/140509913-b2fc3140-ad81-4bf3-a595-d102f7c75245.png">
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