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README.md

Hyperlane Cross Rollup Bundle Example

In this example, we implemented the functionality to send atomic hyperlane transfers in minimal codes. For detail of how to construct such cross rollup bundle, check main.go

Usage

To run the go program to send hyperlane cross rollup bundle, simply export the following env variables

Env Name Value Description
JAVELIN http://devnet.nodekit.xyz/javelin/rpc the rpc endpoint of javelin-rpc
GETH_ORIGIN http://devnet.nodekit.xyz/r5 the geth endpoint to the origin where tokens will be transferred from
GETH_REMOTE http://devnet.nodekit.xyz/r5 the geth endpoint to the destination where tokens will be transferred to
ORIGIN_CHAINID 45205
REMOTE_CHAINID 45206
KEY <you-private-key-in-hex> Your private key in hex with 0x prefix 
go run main.go --javelin $JAVELIN --geth-origin $GETH_ORIGIN --geth-remote $GETH_REMOTE --origin-chainid $ORIGIN_CHAINID --remote-chainid $REMOTE_CHAINID --priv-key $KEY --amount 1

Program usage:

➜  hyperlane-cross-rollup git:(main) ✗ go run main.go --help
Usage of /tmp/go-build1293359915/b001/exe/main:
  -amount int
        amount of token to transfer (default 1)
  -geth-origin string
        geth rpc url on origin chain (default "http://127.0.0.1:9090")
  -geth-remote string
        geth rpc url on remote chain (default "http://127.0.0.1:9091")
  -javelin string
        rpc url of javelin rpc (default "http://127.0.0.1:3000/rpc")
  -mailbox-origin string
        mailbox address on origin chain (default "0xa513E6E4b8f2a923D98304ec87F64353C4D5C853")
  -mailbox-remote string
        mailbox address on remote chain (default "0xa513E6E4b8f2a923D98304ec87F64353C4D5C853")
  -nonce-inc int
        the nonce adjustment applied to the latest nonce
  -origin-chainid int
        chain id of origin chain (default 45200)
  -priv-key string
        priv key of wallet without 0x prefix (default "7c852118294e51e653712a81e05800f419141751be58f605c371e15141b007a6")
  -remote-chainid int
        chain id of remote chain (default 45201)
  -router-origin string
        token router address on origin chain (default "0x4A679253410272dd5232B3Ff7cF5dbB88f295319")
  -router-remote string
        token router address on remote chain (default "0x4A679253410272dd5232B3Ff7cF5dbB88f295319")
  -token-type string
        token type on origin chain to transfer from origin chain to remote chain (default "native")