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node: refactor package node (#21105)

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This PR significantly changes the APIs for instantiating Ethereum nodes in
a Go program. The new APIs are not backwards-compatible, but we feel that
this is made up for by the much simpler way of registering services on
node.Node. You can find more information and rationale in the design
document: https://gist.github.com/renaynay/5bec2de19fde66f4d04c535fd24f0775.

There is also a new feature in Node's Go API: it is now possible to
register arbitrary handlers on the user-facing HTTP server. In geth, this
facility is used to enable GraphQL.

There is a single minor change relevant for geth users in this PR: The
GraphQL API is no longer available separately from the JSON-RPC HTTP
server. If you want GraphQL, you need to enable it using the
./geth --http --graphql flag combination.

The --graphql.port and --graphql.addr flags are no longer available.
This commit is contained in:
rene
2020-08-03 19:40:46 +02:00
committed by GitHub
parent b2b14e6ce3
commit c0c01612e9
63 changed files with 2606 additions and 2887 deletions
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10
les/checkpointoracle/oracle.go
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@ -51,16 +51,6 @@ type CheckpointOracle struct {
// New creates a checkpoint oracle handler with given configs and callback.
func New(config *params.CheckpointOracleConfig, getLocal func(uint64) params.TrustedCheckpoint) *CheckpointOracle {
if config == nil {
log.Info("Checkpoint registrar is not enabled")
return nil
}
if config.Address == (common.Address{}) || uint64(len(config.Signers)) < config.Threshold {
log.Warn("Invalid checkpoint registrar config")
return nil
}
log.Info("Configured checkpoint registrar", "address", config.Address, "signers", len(config.Signers), "threshold", config.Threshold)
return &CheckpointOracle{
config: config,
getLocal: getLocal,