Band

A cross-chain data oracle platform that is able to take real-world data and supply it to on-chain applications, while also connecting APIs to smart-contracts to facilitate the exchange of information between on-chain and off-chain data sources.

Chain ID: laozi-mainnet | Node Version: v2.5.4

Explorers

https://cosmotracker.com/band

Public endpoints

RPC: https://band-rpc.stakerhouse.com
REST: https://band-rest.stakerhouse.com
GRPC: band-grpc.stakerhouse.com:443

Node Snapshot

Height: 28463570 (2024-05-01T13:52:56Z) | Size: 13.6 GB

Update & install aria2, lz4

sudo apt update && sudo apt install aria2 lz4 -y

Stop bandd service & reset

sudo service bandd stop
cp $HOME/.band/data/priv_validator_state.json $HOME/.band/priv_validator_state.json.backup
bandd tendermint unsafe-reset-all --home $HOME/.band --keep-addr-book

Download & extract snapshot

aria2c -x 8 -s 8 https://snapshots.stakerhouse.com/band/band_28463570.tar.lz4 && lz4 -c -d band_28463570.tar.lz4 | tar -x -C $HOME/.band && rm band_28463570.tar.lz4
mv $HOME/.band/priv_validator_state.json.backup $HOME/.band/data/priv_validator_state.json

Start bandd service & monitor logs

sudo service bandd start && sudo journalctl -u bandd -f --output cat

State sync

Stop bandd service & reset

sudo service bandd stop
cp $HOME/.band/data/priv_validator_state.json $HOME/.band/priv_validator_state.json.backup
bandd tendermint unsafe-reset-all --home $HOME/.band --keep-addr-book

Configure state sync

SYNC_RPC="https://band-rpc.stakerhouse.com:443"
SYNC_PEER="8ce6fbbff20edcc17c6dbf4ef282857336ba6bcf@bea.stakerhouse.com:12956"
LATEST_HEIGHT=$(curl -s $SYNC_RPC/block | jq -r .result.block.header.height); \
BLOCK_HEIGHT=$((LATEST_HEIGHT - 1000)); \
TRUST_HASH=$(curl -s "$SYNC_RPC/block?height=$BLOCK_HEIGHT" | jq -r .result.block_id.hash)

sed -i \
  -e "s|^enable *=.*|enable = true|" \
  -e "s|^rpc_servers *=.*|rpc_servers = \"$SYNC_RPC,$SYNC_RPC\"|" \
  -e "s|^trust_height *=.*|trust_height = $BLOCK_HEIGHT|" \
  -e "s|^trust_hash *=.*|trust_hash = \"$TRUST_HASH\"|" \
  -e "s|^persistent_peers *=.*|persistent_peers = \"$SYNC_PEER\"|" \
  $HOME/.band/config/config.toml

mv $HOME/.band/priv_validator_state.json.backup $HOME/.band/data/priv_validator_state.json

Start bandd service & monitor logs

sudo service bandd start && \
sudo journalctl -u bandd -f --output cat

Seed Node

df949a46ae6529ae1e09b034b49716468d5cc7e9@seeds.stakerhouse.com:12956

Live peers

62 peers collected 2024-05-01T23:00:05Z

c06babfaa2c9a005c960610e46f9588d64dace2e@95.217.224.124:26656,576dca736bb5e481c6760af97c5952a00ad657bf@[2a01:4f9:3081:50ca::2]:27656,2ed997bbf6933d533f27dbdb5ff8e17faf8a9d0b@136.243.67.189:22956,c4254584ff19eb934e01efd485278cea1820da32@15.235.115.152:13100,b91f49859a881346878cdb39566b87a75a127a38@[2001:41d0:203:7292::]:52656,14358a7f970cc0b790d9d8f24513aa11eaf6297f@[2a01:4f9:1a:b2a9::2]:22956,b7d6fd5fc4028c12a7767f37d758b45b1f8df7fb@162.55.97.40:26002,b494815518d3075408cff6f03d6058c99756dc29@[2a01:4f9:3051:3e12::2]:31056,360c68f66b8e165a293af3ec7677728d4eaddea0@[2a01:4f8:231:4393::2]:26656,618e7d04de1d08c1231322ac9fa7d459c9e9a25c@[2a01:4f9:5a:15c6::2]:44656,f6c5ff15414bdaaeff59f555eae5ca745c03b37e@77.68.30.186:26656,8108575603594504341caef34f3d6f9ef55c453a@184.174.37.135:26656,115d01baed3907b6b939bb0c052548f9fd3e09eb@[2a01:4f9:3a:1262::2]:12070,19f6299deac27e917d6356f411d400e2923d4c1e@[2a01:4f8:201:2127::2]:22956,63b304037f729df9fd6556243b8e584567ebe0d3@[2a01:4f9:1a:9909::2]:26656,f613364871e875c240698d1d6b8f83c6c3512389@[2a01:4f9:1a:b2c9::2]:22956,7b6c00012f2411cbfc6f6ecde728d630325edd55@[2a01:4f8:271:3c19::2]:56656,6790d4691345eb1a8b9af48111b21238f5d95f2d@[2a01:4f8:190:530f::2]:23656,bbc5b2f87c8d4d598b306500dd847121d46ca69e@[2a01:4f8:151:8423::2]:2070,1684eeca76f7c9c9f459080b0fe77c7fabc5534d@65.109.53.22:55886,8809cff93bedd722c4eaa17570d70a29f3aac863@[2a01:4f9:2b:6d9::2]:26656,842a5d2b0361d3533fd45d8c178cb1cc720435fc@[2a01:4f8:a0:92d3::2]:59656,d94b3aa019c4a4d5758c21dbb157dcde1a3ac038@[2a01:4f9:3051:46e9::2]:61156,4a2b39fed2c8693efcba4f050313fc3a78ff3f13@[2a01:4f8:251:5850::2]:16656,871ce225f72139a9a1552f2dc58b64e8c5d00882@45.8.144.107:26656,06091faa832099014c45348abd56c531944698c8@65.108.226.166:26656,268c44707b65471851e70c26d00c8ec9261c15a4@[2a01:4f9:6b:1241::2]:26646,79740837251bfb6523bccc944c2e9be111c07e62@[2a01:4f9:3051:4703::2]:11026,4ee15cd6f3dae625dbf410ff8aa9facd4b9e96c7@34.143.139.34:26656,8325059a6014f644111d4f41cab0e9a02263f300@[2a03:4000:67:d7f:84b2:51ff:fed3:6d99]:26656,2ff747c23213cca5551cf2f73762e2dfd555db0e@65.21.95.15:11056,092357cf8057ff150179f2092e56a21dcf6309ee@15.235.14.28:26656,bfde1148f36ed5e9f803ab5cd473d95d762a1dbd@[2a01:4f9:3081:30a3::2]:26656,8b3728153ef25bebb43d411d3e06ea1e6d825c21@15.235.53.219:26656,03d8998530017c29e57f1d164c556e28ff48e710@[2a01:4f9:6b:4c09::2]:22956,753f9d25a34a6f67325b42531f4f2e2368bc1d86@88.198.38.151:26656,69c5e128ab9f6d0bfb955d2462de2968caa22ff2@35.77.96.125:26656,7ded12ed788798c82e46c337dbf0ab29d721e02c@[2a01:4f8:271:25cb::2]:12150,efef003abfcf4d09cf0badab65b2b90e56dc8bbf@135.125.180.36:56656,807ff4d4429d45838548bab05cd60a695d8ea54c@51.83.140.142:26656,dfb1dfc76ae0f3b465cafecb8b7efb02c7e8f432@[2a01:4f9:3b:2924::2]:39656,175a70345fbecbc2b879555e1d32d1236d50ac74@[2a01:4f8:262:18eb::2]:26656,db45cc00a690635239207e709776102406beb2d8@[2607:f1c0:1800:8130::1]:26656,5aa1405d22312a6213b7cf82d0e0e03164340eaa@[2001:41d0:700:6e7a::]:26656,cd89dcd4270952837dfe3c33f27c6b106215e30a@[2001:41d0:800:2360::]:55886,61c08839785cfa9f550fe50f46467c6705a12223@[2001:41d0:800:3a16::]:2070,21380f2bd5b7b151bd6cd6b29c2c71a734ef7b36@213.239.192.52:26656,cefb266acfd2d620c7f717b69b72f0e4acde9eb4@[2a03:4000:67:d80:419:93ff:feae:ad4b]:26656,93a8607309c391a5afcb21ccc8a125dcb4791357@[2604:2dc0:200:183c::]:13100,f2c3f4d676b4adce0b8f62582b3cb72ec6aead23@5.135.137.127:26656,1c0e70871b770938bea3ac2f60def7f5e62ffa2b@162.55.0.195:26656,2e53aad2649eab91d711b45fc2b83690b4156b11@[2001:41d0:700:6a14::]:26656,a286cfb7ed0dc5c532a1235bfe8b3e1bddedd9e4@[2a01:4f9:1a:98a0::2]:22956,c6f9e1309055eedbcd58d018b54247f13e9f878b@[2a01:4f9:1a:97cb::2]:44656,f40730321bbadfbff1dc6235e32652de5cac97d2@[2a01:4f9:3080:18ed::2]:22956,70dcf3644cc1c417dd2a5cbe8c136bf37af7706e@95.111.225.50:26656,684da8ff79ad8d094716bb1ebc11b5c9e3408d1e@[2a01:4f9:6a:1a4f::2]:10086,f458ea3fa6bcb09298a38efde43162a6edbf6722@[2401:c080:1c01:fc4:ae1f:6bff:fef5:e34a]:13100,c1b93580023f12891683431e25fb05d6e4372bef@[2a01:4f8:1c1c:2f6e::1]:26656,0420c86463fa0f08c33db4704332a02fd53ee33e@[2402:1f00:8201:54c::]:27656,4ded49b3a718828eb64cf35da1ed791ecb201bc1@[2a01:4f9:6a:10e6::2]:25017,0bfd5d7355ebf38e35af619ae0cab70aa21675a5@[2a01:4f9:3a:2894::2]:11026

Addrbook File

curl -Ls https://snapshots.stakerhouse.com/addrbook/band/addrbook.json > $HOME/.band/config/addrbook.json

Genesis File

curl -Ls https://snapshots.stakerhouse.com/genesis/band/genesis.json > $HOME/.band/config/genesis.json