Merge pull request ethereum-optimism#132 from ethereum-optimism/impl-…

…node

ref impl: main node process (connect with RPC, start drivers, handle shutdown)

go.sum

@@ -103,17 +103,20 @@ github.com/docker/docker v1.4.2-0.20180625184442-8e610b2b55bf/go.mod h1:eEKB0N0r
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@@ -209,6 +216,7 @@ github.com/influxdata/promql/v2 v2.12.0/go.mod h1:fxOPu+DY0bqCTCECchSRtWfc+0X19y
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@@ -252,20 +260,24 @@ github.com/matryer/moq v0.0.0-20190312154309-6cfb0558e1bd/go.mod h1:9ELz6aaclSIG
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@@ -584,6 +602,7 @@ gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce/go.mod h1:5AcXVHN
 gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200619000410-60c24ae608a6/go.mod h1:uAJfkITjFhyEEuUfm7bsmCZRbW5WRq8s9EY8HZ6hCns=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/urfave/cli.v1 v1.20.0 h1:NdAVW6RYxDif9DhDHaAortIu956m2c0v+09AZBPTbE0=
 gopkg.in/urfave/cli.v1 v1.20.0/go.mod h1:vuBzUtMdQeixQj8LVd+/98pzhxNGQoyuPBlsXHOQNO0=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

opnode/README.md

@@ -0,0 +1,38 @@
+# opnode
+
+This is the reference implementation of the [rollup-node spec](../specs/rollup-node.md).
+
+## Compiling
+
+```shell
+go build -o op ./opnode/cmd
+```
+
+## Running
+
+Options can be reviewed with:
+
+```shell
+./op run --help
+```
+
+To start syncing the rollup:
+
+Connect to at least one L1 RPC and L2 execution engine:
+
+- L1: use any L1 node / RPC (websocket connection path may differ)
+- L2: run the Optimism fork of geth: <https://github.com/ethereum-optimism/reference-optimistic-geth>
+
+Initialize the L2 chain with a `genesis.json` chain spec like L1, with the Merge fork activated from genesis.
+
+Specify genesis details:
+
+- L1 number / hash: starting-point of L2 chain inputs
+- L2 genesis hash: to confirm we are building on the correct L2 genesis
+
+```shell
+# websockets or IPC preferred for event notifications to improve sync, http RPC works with adaptive polling.
+op node run \
+  --l1=ws://localhost:8546 --l2=ws//localhost:9001 \
+  --genesis.l1-num=.... --genesis.l1-hash=..... --genesis.l2-hash=....
+```