kdeme

curl -X 'GET'   'http://testing.mainnet.beacon-api.nimbus.team/eth/v2/debug/beacon/states/finalized'  -H 'accept: application/json' --output state.json
jq .data.historical_roots state.json | python3 -c 'import sys, yaml, json; print(yaml.dump(json.loads(sys.stdin.read())))'

kdeme

[Available] EpochAccumulator number 0: 0x5ec1ffb8c3b146f42606c74ced973dc16ec5a107c0345858c343fc94780b4218
[Available] EpochAccumulator number 1: 0xa5364e9a9bc513c4601f0d62e6b46dbdedf3200bbfae54d6350f46f2c7a01938
[Available] EpochAccumulator number 2: 0x98cbd8a95ae7dc9c1ed823156d0eab9aaffa869f6852cab18ff0083063f27d26
[Available] EpochAccumulator number 3: 0xd8b8a40b8cf6818e1bac871d882e772be0b28d1baaf72374946506d9e6fa7d75
[Available] EpochAccumulator number 4: 0x6e3baba7e324b99ed72d98f0255d25ce66832736550f8b971c12280eac2a0bb8
[Available] EpochAccumulator number 5: 0x5cff5a4b7284b1a4a6cebfcc80d876ab0418f71254d03f91d46a9a1fab49fa09
[Not Available] EpochAccumulator number 6: 0x678fb79306f84e9d0a4749323dc29934ca59b852fbc7c8d2890eabe8a0cde282 error: {"code":-32000,"message":"portal_historyRecursiveFindContent raised an exception","data":"Content not found"}
[Available] EpochAccumulator number 7: 0xd9bc682bc5bc63b20a8344407ae12cb17e2085d448f438efa6aa5d522b913a20
[Available] EpochAccumulator number 8: 0x12c9605f2d8d47

kdeme

Accumulator with last block 15537393

With:

Last included block = 15537393
maxHistoricalEpochs = 131072 # 2^17

currentEpoch holding the last unfinished epoch and not added to historical epochs

kdeme

nim-eth Portal Wire interop

nim-eth Portal Wire implementation first interop tests with ddht and trin.

Similar as in this gist: https://gist.github.com/carver/f3c26d9adb28ea2b4e5d5bbe42b4f4b7

How to use nim-eth portalcli, a quick Portal Wire cli test tool: https://github.com/status-im/nim-eth/tree/master/eth/p2p/portal

Testing with ddht / trin as "bootnodes"

With ddht:

kdeme

$ make witti-dev
[NimScript] rmDir: /home/deme/repos/nim-beacon-chain/build/eth2-testnets
[NimScript] exec: git clone --quiet --depth=1 https://github.com/eth2-clients/eth2-testnets
[NimScript] exec: nim c -d:chronicles_log_level=TRACE  --verbosity:0 --hints:off -d:usePcreHeader --passL:"-lpcre" -d:release -d:"const_preset=/home/deme/repos/nim-beacon-chain/build/eth2-testnets/shared/witti/config.yaml" -o:"/home/deme/repos/nim-beacon-chain/build/beacon_node_shared_witti" beacon_chain/beacon_node.nim
/home/deme/repos/nim-beacon-chain/beacon_chain/spec/datatypes.nim(68, 20) template/generic instantiation of `loadCustomPreset` from here
/home/deme/repos/nim-beacon-chain/beacon_chain/spec/presets/custom.nim(179, 15) Warning: /home/deme/repos/nim-beacon-chain/build/eth2-testnets/shared/witti/config.yaml(51) Unrecognized constant in a preset: DEPOSIT_CONTRACT_BLOCK [User]
/home/deme/repos/nim-beacon-chain/beacon_chain/spec/datatypes.nim(68, 20) template/generic instantiation of `loadCustomPreset` from here
/home/dem

kdeme

$ make witti-dev
[NimScript] rmDir: /home/deme/repos/nbc/build/eth2-testnets
[NimScript] exec: git clone --quiet --depth=1 https://github.com/eth2-clients/eth2-testnets
[NimScript] exec: nim c -d:chronicles_log_level=TRACE  --verbosity:0 --hints:off -d:usePcreHeader --passL:"-lpcre" -d:release -d:"chronicles_sinks=textlines,json[file(nbc.log)]"  -d:"const_preset=/home/deme/repos/nbc/build/eth2-testnets/shared/witti/config.yaml" -o:"/home/deme/repos/nbc/build/beacon_node_shared_witti" beacon_chain/beacon_node.nim
/home/deme/repos/nbc/beacon_chain/spec/datatypes.nim(65, 20) template/generic instantiation of `loadCustomPreset` from here
/home/deme/repos/nbc/beacon_chain/spec/presets/custom.nim(179, 15) Warning: /home/deme/repos/nbc/build/eth2-testnets/shared/witti/config.yaml(5) Unrecognized constant in a preset: DEPOSIT_CONTRACT_BLOCK [User]
/home/deme/repos/nbc/beacon_chain/spec/datatypes.nim(65, 20) template/generic instantiation of `loadCustomPreset` from here
/home/deme/repos/nbc/beacon_chain/spec/presets/c

kdeme

type AnotherError = object of CatchableError

proc thisRaises() {.raises:[AnotherError].} # Works
#proc thisRaises() # Error: can raise an unlisted exception: Exception  - at line 8 :(

proc anotherProc() {.raises:[AnotherError].} =
  echo "Hoi"
  thisRaises()

proc thisRaises() {.raises:[AnotherError].} = # Whatever is put here doesn't seem to matter, can even omit.

kdeme

# run 1
Setup 100 nodes
Sleeping for 60 seconds
avg entries per node: 18.67
amount of nodes that contain target 7
Found target in 2 lookups
avg entries per node: 18.73
amount of nodes that contain target 39
Not found in max iterations
avg entries per node: 31.86

kdeme

{"lvl":"DBG","ts":"2020-02-19 14:57:00+01:00","msg":"Launching beacon node","topics":"beacnde","tid":276843,"cmdParams":["--bootstrap-file=/home/deme/repos/nim-beacon-chain/tests/simulation/data/bootstrap_nodes.txt","--data-dir=/home/deme/repos/nim-beacon-chain/tests/simulation/data/node-1","--node-name=1","--tcp-port=30001","--udp-port=30001","--nat:none","--state-snapshot=/home/deme/repos/nim-beacon-chain/tests/simulation/data/state_snapshot.ssz","--deposit-contract=0x","--verify-finalization=on","--metrics-server=on","--metrics-server-address=127.0.0.1","--metrics-server-port=8009"],"config":{"logLevel":2,"eth1Network":3,"quickStart":false,"dataDir":"/home/deme/repos/nim-beacon-chain/tests/simulation/data/node-1","depositWeb3Url":"","depositContractAddress":"0x","statusBarEnabled":true,"statusBarContents":"peers: $connected_peers; epoch: $epoch, slot: $epoch_slot/$slots_per_epoch ($slot); finalized epoch: $last_finalized_epoch |ETH: $attached_validators_balance","cmd":0,"bootstrapNodes":[],"bootstrapNodesF

kdeme

#!/usr/bin/nodejs

const Web3 = require('web3');
const web3 = new Web3(Web3.givenProvider || new Web3.providers.HttpProvider('HTTP://127.0.0.1:8545'), null, {});

web3.shh.getVersion()
.then(function(result) {console.log("Get Whisper version:", result)});

web3.shh.getInfo()
.then(function(result) {console.log("Get Whisper info:", result)});