ibc_script.sh

ibc_script.sh

# Create clients on two different IBC nodes

set -x 

# Each chain needs to have an RPC endpoint to run transactions against
NODE0="http://34.82.17.52:26657"
NODE1="http://34.83.208.127:26657"

# Input the two chains you would like to begin connecting CHAINID0 should be "your" chain
CHAINID0="testnetibc0"
CHAINID1="testnetibc1"

# For spec compatability we will only use letter characters for some identifiers
ANCID0="helloac"
ANCID1="hellobc"

# I've taken the naming convention "{{ .ChainID }}client" for clients. Note that the `testnetibc1client` is created on `testnetibc0`  
CLIENT0="${ANCID1}client"
CLIENT1="${ANCID0}client"

# Note, the account key creating these transactions must have tokens on each chain
KEY0="faucet"
KEY1="vitwitibc0"

# Name for connection strings
CONNID0="${ANCID1}conn"
CONNID1="${ANCID0}conn"

# Name for channel strings
CHANID0="${ANCID1}chan"
CHANID1="${ANCID0}chan"
CHANTYPE="bank"

# Amount to send
AMOUNT="1stake"
SEQUENCE="1"
TIMEOUT=100000


# Create testnetibc1client on testnetibc0
gaiacli tx ibc client create $CLIENT0 --chain-id $CHAINID0 --node $NODE0 $(gaiacli q ibc client node-state --node $NODE1 --chain-id $CHAINID1 -o json) --from $KEY0 -o text 


# Create testnetibc0client on testnetibc1
gaiacli tx ibc client create $CLIENT1 --chain-id $CHAINID1 --node $NODE1 $(gaiacli q ibc client node-state --node $NODE0 --chain-id $CHAINID0 -o json) --from $KEY1 -o text 

sleep 5

# Query clients on both nodes:
gaiacli --node $NODE0 --chain-id $CHAINID0 q ibc client consensus-state $CLIENT0 --indent
gaiacli --node $NODE1 --chain-id $CHAINID1 q ibc client consensus-state $CLIENT1 --indent

# Create the connection:
gaiacli \
  tx ibc connection handshake \
  --node $NODE0 --chain-id $CHAINID0 \
  $CONNID0 $CLIENT0 $(gaiacli q ibc client path --node $NODE1 --chain-id $CHAINID1) \
  $CONNID1 $CLIENT1 $(gaiacli q ibc client path --node $NODE0 --chain-id $CHAINID0) \
  --chain-id2 $CHAINID1 \
  --from1 $KEY0 --from2 $KEY1 \
  --node1 $NODE0 \
  --node2 $NODE1


# Query the connetion from both nodes:
gaiacli --node $NODE0 q ibc connection end $CONNID0 --indent --trust-node
gaiacli --node $NODE1 q ibc connection end $CONNID1 --indent --trust-node


# Create the channel:
gaiacli \
  tx ibc channel handshake \
  --node $NODE0 --chain-id $CHAINID0 \
  $CLIENT0 $CHANTYPE $CHANID0 $CONNID0 \
  $CLIENT1 $CHANTYPE $CHANID1 $CONNID1 \
  --node1 $NODE0 \
  --node2 $NODE1 \
  --chain-id2 $CHAINID1 \
  --from1 $KEY0 --from2 $KEY1

# Query the channel from both nodes:
gaiacli --node $NODE0 --chain-id $CHAINID0 q ibc channel end $CHANTYPE $CHANID0 --indent --trust-node
gaiacli --node $NODE1 --chain-id $CHAINID1 q ibc channel end $CHANTYPE $CHANID1 --indent --trust-node

echo "Balance on $CHAINID0 before transfer:"

gaiacli --node $NODE0 --chain-id $CHAINID0 q account $(gaiacli keys show $KEY0 -a) --indent --trust-node

echo "Send packets from $CHAINID0, they will need to be recieved on $CHAINID1 in another transaction"

gaiacli --node $NODE0 --chain-id $CHAINID0 tx ibc transfer transfer $CHANTYPE $CHANID0 $(gaiacli keys show $KEY0 -a) $AMOUNT --from $KEY0 --source

echo "Balance on $CHAINID0 after transfer:"

gaiacli --node $NODE0 --chain-id $CHAINID0 q account $(gaiacli keys show $KEY0 -a) --indent --trust-node

sleep 3


echo "Balance on $CHAINID1 before transfer:"

gaiacli --node $NODE1 --chain-id $CHAINID1 q account $(gaiacli keys show $KEY1 -a) --indent --trust-node


echo "Create transaction to recieve tokens on $CHAINID1"

gaiacli \
  tx ibc transfer recv-packet \
  $CHANTYPE $CHANID0 $CLIENT1 \
  --node $NODE1 \
  --chain-id $CHAINID1 \
  --packet-sequence $SEQUENCE \
  --timeout $TIMEOUT \
  --from $KEY1 \
  --node2 $NODE0 \
  --chain-id2 $CHAINID0 \
  --source

echo "Balance on $CHAINID1 after transfer:"

gaiacli --node $NODE1 --chain-id $CHAINID1 q account $(gaiacli keys show $KEY1 -a) --indent --trust-node