diff --git a/examples/Makefile b/examples/Makefile index e8a745a7f..eb5f4ad52 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -111,4 +111,23 @@ stream-events-reconnect: .PHONY: stream-execution-data stream-execution-data: - go run ./stream_execution_data/main.go \ No newline at end of file + go run ./stream_execution_data/main.go +.PHONY: stream-blocks +stream-blocks: + go run ./stream_blocks/main.go + +.PHONY: stream-block-headers +stream-block-headers: + go run ./stream_block_headers/main.go + +.PHONY: stream-block-digests +stream-block-digests: + go run ./stream_block_digests/main.go + +.PHONY: stream-account-statuses +stream-account-statuses: + go run ./stream_account_statuses/main.go + +.PHONY: send-and-subscribe-transaction-statuses +send-and-subscribe-transaction-statuses: + go run ./send_and_subscribe_transaction_statuses/main.go diff --git a/examples/examples.go b/examples/examples.go index a712e086f..527fbdc85 100644 --- a/examples/examples.go +++ b/examples/examples.go @@ -24,6 +24,7 @@ import ( "fmt" "log" "os" + "reflect" "strings" "time" @@ -302,3 +303,8 @@ func WaitForSeal(ctx context.Context, c access.Client, id flow.Identifier) *flow fmt.Printf("Transaction %s sealed\n", id) return result } + +func Print[T any](object T) { + fmt.Printf("Got new %s:\n", reflect.TypeOf(object).Name()) + fmt.Printf("%+v\n\n", object) +} diff --git a/examples/go.mod b/examples/go.mod index 5612b4c52..44d61f9b6 100644 --- a/examples/go.mod +++ b/examples/go.mod @@ -11,12 +11,11 @@ require ( github.com/onflow/flow-go-sdk v1.2.2 github.com/onflow/flowkit v1.19.0 github.com/spf13/afero v1.11.0 - google.golang.org/grpc v1.63.2 + google.golang.org/grpc v1.64.1 ) require ( - cloud.google.com/go/compute v1.24.0 // indirect - cloud.google.com/go/compute/metadata v0.2.3 // indirect + cloud.google.com/go/compute/metadata v0.5.0 // indirect cloud.google.com/go/iam v1.1.6 // indirect cloud.google.com/go/kms v1.15.7 // indirect github.com/SaveTheRbtz/mph v0.1.1-0.20240117162131-4166ec7869bc // indirect @@ -101,8 +100,8 @@ require ( go.uber.org/goleak v1.3.0 // indirect golang.org/x/crypto v0.28.0 // indirect golang.org/x/exp v0.0.0-20240119083558-1b970713d09a // indirect - golang.org/x/net v0.25.0 // indirect - golang.org/x/oauth2 v0.17.0 // indirect + golang.org/x/net v0.26.0 // indirect + golang.org/x/oauth2 v0.18.0 // indirect golang.org/x/sync v0.8.0 // indirect golang.org/x/sys v0.26.0 // indirect golang.org/x/text v0.19.0 // indirect @@ -112,9 +111,9 @@ require ( google.golang.org/api v0.162.0 // indirect google.golang.org/appengine v1.6.8 // indirect google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de // indirect - google.golang.org/genproto/googleapis/api v0.0.0-20240227224415-6ceb2ff114de // indirect - google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de // indirect - google.golang.org/protobuf v1.33.0 // indirect + google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 // indirect + google.golang.org/protobuf v1.34.2 // indirect gopkg.in/ini.v1 v1.67.0 // indirect gopkg.in/yaml.v3 v3.0.1 // indirect lukechampine.com/blake3 v1.3.0 // indirect diff --git a/examples/go.sum b/examples/go.sum index 0da045614..52d307729 100644 --- a/examples/go.sum +++ b/examples/go.sum @@ -1,10 +1,8 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= cloud.google.com/go v0.112.0 h1:tpFCD7hpHFlQ8yPwT3x+QeXqc2T6+n6T+hmABHfDUSM= cloud.google.com/go v0.112.0/go.mod h1:3jEEVwZ/MHU4djK5t5RHuKOA/GbLddgTdVubX1qnPD4= -cloud.google.com/go/compute v1.24.0 h1:phWcR2eWzRJaL/kOiJwfFsPs4BaKq1j6vnpZrc1YlVg= -cloud.google.com/go/compute v1.24.0/go.mod h1:kw1/T+h/+tK2LJK0wiPPx1intgdAM3j/g3hFDlscY40= -cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY= -cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA= +cloud.google.com/go/compute/metadata v0.5.0 h1:Zr0eK8JbFv6+Wi4ilXAR8FJ3wyNdpxHKJNPos6LTZOY= +cloud.google.com/go/compute/metadata v0.5.0/go.mod h1:aHnloV2TPI38yx4s9+wAZhHykWvVCfu7hQbF+9CWoiY= cloud.google.com/go/iam v1.1.6 h1:bEa06k05IO4f4uJonbB5iAgKTPpABy1ayxaIZV/GHVc= cloud.google.com/go/iam v1.1.6/go.mod h1:O0zxdPeGBoFdWW3HWmBxJsk0pfvNM/p/qa82rWOGTwI= cloud.google.com/go/kms v1.15.7 h1:7caV9K3yIxvlQPAcaFffhlT7d1qpxjB1wHBtjWa13SM= @@ -35,8 +33,8 @@ github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UF github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= -github.com/cncf/xds/go v0.0.0-20231128003011-0fa0005c9caa h1:jQCWAUqqlij9Pgj2i/PB79y4KOPYVyFYdROxgaCwdTQ= -github.com/cncf/xds/go v0.0.0-20231128003011-0fa0005c9caa/go.mod h1:x/1Gn8zydmfq8dk6e9PdstVsDgu9RuyIIJqAaF//0IM= +github.com/cncf/xds/go v0.0.0-20240318125728-8a4994d93e50 h1:DBmgJDC9dTfkVyGgipamEh2BpGYxScCH1TOF1LL1cXc= +github.com/cncf/xds/go v0.0.0-20240318125728-8a4994d93e50/go.mod h1:5e1+Vvlzido69INQaVO6d87Qn543Xr6nooe9Kz7oBFM= github.com/cockroachdb/errors v1.11.3 h1:5bA+k2Y6r+oz/6Z/RFlNeVCesGARKuC6YymtcDrbC/I= github.com/cockroachdb/errors v1.11.3/go.mod h1:m4UIW4CDjx+R5cybPsNrRbreomiFqt8o1h1wUVazSd8= github.com/cockroachdb/fifo v0.0.0-20240606204812-0bbfbd93a7ce h1:giXvy4KSc/6g/esnpM7Geqxka4WSqI1SZc7sMJFd3y4= @@ -477,11 +475,11 @@ golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLL golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= -golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac= -golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM= +golang.org/x/net v0.26.0 h1:soB7SVo0PWrY4vPW/+ay0jKDNScG2X9wFeYlXIvJsOQ= +golang.org/x/net v0.26.0/go.mod h1:5YKkiSynbBIh3p6iOc/vibscux0x38BZDkn8sCUPxHE= golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= -golang.org/x/oauth2 v0.17.0 h1:6m3ZPmLEFdVxKKWnKq4VqZ60gutO35zm+zrAHVmHyDQ= -golang.org/x/oauth2 v0.17.0/go.mod h1:OzPDGQiuQMguemayvdylqddI7qcD9lnSDb+1FiwQ5HA= +golang.org/x/oauth2 v0.18.0 h1:09qnuIAgzdx1XplqJvW6CQqMCtGZykZWcXzPMPUusvI= +golang.org/x/oauth2 v0.18.0/go.mod h1:Wf7knwG0MPoWIMMBgFlEaSUDaKskp0dCfrlJRJXbBi8= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= @@ -548,18 +546,18 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo= google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de h1:F6qOa9AZTYJXOUEr4jDysRDLrm4PHePlge4v4TGAlxY= google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:VUhTRKeHn9wwcdrk73nvdC9gF178Tzhmt/qyaFcPLSo= -google.golang.org/genproto/googleapis/api v0.0.0-20240227224415-6ceb2ff114de h1:jFNzHPIeuzhdRwVhbZdiym9q0ory/xY3sA+v2wPg8I0= -google.golang.org/genproto/googleapis/api v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:5iCWqnniDlqZHrd3neWVTOwvh/v6s3232omMecelax8= -google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de h1:cZGRis4/ot9uVm639a+rHCUaG0JJHEsdyzSQTMX+suY= -google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:H4O17MA/PE9BsGx3w+a+W2VOLLD1Qf7oJneAoU6WktY= +google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142 h1:wKguEg1hsxI2/L3hUYrpo1RVi48K+uTyzKqprwLXsb8= +google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142/go.mod h1:d6be+8HhtEtucleCbxpPW9PA9XwISACu8nvpPqF0BVo= +google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 h1:e7S5W7MGGLaSu8j3YjdezkZ+m1/Nm0uRVRMEMGk26Xs= +google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM= google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg= google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY= google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc= -google.golang.org/grpc v1.63.2 h1:MUeiw1B2maTVZthpU5xvASfTh3LDbxHd6IJ6QQVU+xM= -google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA= +google.golang.org/grpc v1.64.1 h1:LKtvyfbX3UGVPFcGqJ9ItpVWW6oN/2XqTxfAnwRRXiA= +google.golang.org/grpc v1.64.1/go.mod h1:hiQF4LFZelK2WKaP6W0L92zGHtiQdZxk8CrSdvyjeP0= google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM= @@ -571,8 +569,8 @@ google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpAD google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c= google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= -google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI= -google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos= +google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg= +google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw= gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= diff --git a/examples/send_and_subscribe_transaction_statuses/main.go b/examples/send_and_subscribe_transaction_statuses/main.go new file mode 100644 index 000000000..a4da405f5 --- /dev/null +++ b/examples/send_and_subscribe_transaction_statuses/main.go @@ -0,0 +1,76 @@ +/* + * Flow Go SDK + * + * Copyright Flow Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package main + +import ( + "context" + "fmt" + + "github.com/onflow/flow-go-sdk/access/grpc" + + "github.com/onflow/flow-go-sdk" + "github.com/onflow/flow-go-sdk/examples" +) + +func main() { + demo() +} + +func demo() { + ctx := context.Background() + flowClient, err := grpc.NewClient(grpc.EmulatorHost) + examples.Handle(err) + + serviceAcctAddr, serviceAcctKey, serviceSigner := examples.ServiceAccount(flowClient) + + tx := flow.NewTransaction(). + SetPayer(serviceAcctAddr). + SetProposalKey(serviceAcctAddr, serviceAcctKey.Index, serviceAcctKey.SequenceNumber). + SetScript([]byte(` + transaction { + prepare(acc: &Account) {} + execute { + log("test") + } + } + `)). + AddAuthorizer(serviceAcctAddr). + SetReferenceBlockID(examples.GetReferenceBlockId(flowClient)) + + err = tx.SignEnvelope(serviceAcctAddr, serviceAcctKey.Index, serviceSigner) + examples.Handle(err) + + txResultChan, errChan, initErr := flowClient.SendAndSubscribeTransactionStatuses(ctx, *tx) + examples.Handle(initErr) + + select { + case <-ctx.Done(): + return + case txResult, ok := <-txResultChan: + if !ok { + panic("transaction result channel is closed") + } + examples.Print(txResult) + case err, ok := <-errChan: + if !ok { + panic("error channel is closed") + } + fmt.Printf("~~~ ERROR: %s ~~~\n", err.Error()) + } +} diff --git a/examples/stream_account_statuses/main.go b/examples/stream_account_statuses/main.go new file mode 100644 index 000000000..da495d321 --- /dev/null +++ b/examples/stream_account_statuses/main.go @@ -0,0 +1,70 @@ +/* + * Flow Go SDK + * + * Copyright Flow Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package main + +import ( + "context" + "fmt" + + "github.com/onflow/flow-go-sdk/access/grpc" + + "github.com/onflow/flow-go-sdk" + "github.com/onflow/flow-go-sdk/examples" +) + +func main() { + demo() +} + +func demo() { + ctx := context.Background() + flowClient, err := grpc.NewClient("access.testnet.nodes.onflow.org:9000") + examples.Handle(err) + + header, err := flowClient.GetLatestBlockHeader(ctx, true) + examples.Handle(err) + fmt.Printf("Latest block height: %d\n", header.Height) + fmt.Printf("Latest block ID: %s\n", header.ID) + + flowEVMTestnetAddress := "0x8c5303eaa26202d6" + filter := flow.AccountStatusFilter{ + EventFilter: flow.EventFilter{ + Addresses: []string{flowEVMTestnetAddress}, + }, + } + accountStatusesChan, errChan, initErr := flowClient.SubscribeAccountStatusesFromStartBlockID(ctx, header.ID, filter) + examples.Handle(initErr) + + for { + select { + case <-ctx.Done(): + return + case accountStatus, ok := <-accountStatusesChan: + if !ok { + panic("account statuses channel is closed") + } + examples.Print(accountStatus) + case err, ok := <-errChan: + if !ok { + panic("error channel is closed") + } + fmt.Printf("~~~ ERROR: %s ~~~\n", err.Error()) + } + } +} diff --git a/examples/stream_block_digests/main.go b/examples/stream_block_digests/main.go new file mode 100644 index 000000000..a4c8ccb4e --- /dev/null +++ b/examples/stream_block_digests/main.go @@ -0,0 +1,64 @@ +/* + * Flow Go SDK + * + * Copyright Flow Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package main + +import ( + "context" + "fmt" + + "github.com/onflow/flow-go-sdk/access/grpc" + + "github.com/onflow/flow-go-sdk" + "github.com/onflow/flow-go-sdk/examples" +) + +func main() { + demo() +} + +func demo() { + ctx := context.Background() + flowClient, err := grpc.NewClient("access.testnet.nodes.onflow.org:9000") + examples.Handle(err) + + header, err := flowClient.GetLatestBlockHeader(ctx, true) + examples.Handle(err) + fmt.Printf("Block Height: %d\n", header.Height) + fmt.Printf("Block ID: %s\n", header.ID) + + blockDigestsChan, errChan, initErr := flowClient.SubscribeBlockDigestsFromStartBlockID(ctx, header.ID, flow.BlockStatusFinalized) + examples.Handle(initErr) + + for { + select { + case <-ctx.Done(): + return + case blockDigest, ok := <-blockDigestsChan: + if !ok { + panic("block digest channel is closed") + } + examples.Print(blockDigest) + case err, ok := <-errChan: + if !ok { + panic("error channel is closed") + } + fmt.Printf("~~~ ERROR: %s ~~~\n", err.Error()) + } + } +} diff --git a/examples/stream_block_headers/main.go b/examples/stream_block_headers/main.go new file mode 100644 index 000000000..c7e79d9fc --- /dev/null +++ b/examples/stream_block_headers/main.go @@ -0,0 +1,64 @@ +/* + * Flow Go SDK + * + * Copyright Flow Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package main + +import ( + "context" + "fmt" + + "github.com/onflow/flow-go-sdk/access/grpc" + + "github.com/onflow/flow-go-sdk" + "github.com/onflow/flow-go-sdk/examples" +) + +func main() { + demo() +} + +func demo() { + ctx := context.Background() + flowClient, err := grpc.NewClient("access.testnet.nodes.onflow.org:9000") + examples.Handle(err) + + header, err := flowClient.GetLatestBlockHeader(ctx, true) + examples.Handle(err) + fmt.Printf("Latest block height: %d\n", header.Height) + fmt.Printf("Latest block ID: %s\n", header.ID) + + blockHeadersChan, errChan, initErr := flowClient.SubscribeBlockHeadersFromStartBlockID(ctx, header.ID, flow.BlockStatusFinalized) + examples.Handle(initErr) + + for { + select { + case <-ctx.Done(): + return + case blockHeader, ok := <-blockHeadersChan: + if !ok { + panic("block header channel is closed") + } + examples.Print(blockHeader) + case err, ok := <-errChan: + if !ok { + panic("error channel is closed") + } + fmt.Printf("~~~ ERROR: %s ~~~\n", err.Error()) + } + } +} diff --git a/examples/stream_blocks/main.go b/examples/stream_blocks/main.go new file mode 100644 index 000000000..1eaba19d2 --- /dev/null +++ b/examples/stream_blocks/main.go @@ -0,0 +1,64 @@ +/* + * Flow Go SDK + * + * Copyright Flow Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package main + +import ( + "context" + "fmt" + + "github.com/onflow/flow-go-sdk/access/grpc" + + "github.com/onflow/flow-go-sdk" + "github.com/onflow/flow-go-sdk/examples" +) + +func main() { + demo() +} + +func demo() { + ctx := context.Background() + flowClient, err := grpc.NewClient("access.testnet.nodes.onflow.org:9000") + examples.Handle(err) + + header, err := flowClient.GetLatestBlockHeader(ctx, true) + examples.Handle(err) + fmt.Printf("Latest block height: %d\n", header.Height) + fmt.Printf("Latest block ID: %s\n", header.ID) + + blocksChan, errChan, initErr := flowClient.SubscribeBlocksFromStartBlockID(ctx, header.ID, flow.BlockStatusFinalized) + examples.Handle(initErr) + + for { + select { + case <-ctx.Done(): + return + case block, ok := <-blocksChan: + if !ok { + panic("blocks channel is closed") + } + examples.Print(block) + case err, ok := <-errChan: + if !ok { + panic("error channel is closed") + } + fmt.Printf("~~~ ERROR: %s ~~~\n", err.Error()) + } + } +} diff --git a/go.mod b/go.mod index b7026b947..c1bce6bb4 100644 --- a/go.mod +++ b/go.mod @@ -17,13 +17,12 @@ require ( github.com/pkg/errors v0.9.1 github.com/stretchr/testify v1.9.0 google.golang.org/api v0.162.0 - google.golang.org/grpc v1.63.2 - google.golang.org/protobuf v1.33.0 + google.golang.org/grpc v1.64.1 + google.golang.org/protobuf v1.34.2 ) require ( - cloud.google.com/go/compute v1.24.0 // indirect - cloud.google.com/go/compute/metadata v0.2.3 // indirect + cloud.google.com/go/compute/metadata v0.5.0 // indirect cloud.google.com/go/iam v1.1.6 // indirect github.com/SaveTheRbtz/mph v0.1.1-0.20240117162131-4166ec7869bc // indirect github.com/aws/aws-sdk-go-v2/credentials v1.17.15 // indirect @@ -79,8 +78,8 @@ require ( golang.org/x/crypto v0.28.0 // indirect golang.org/x/exp v0.0.0-20240119083558-1b970713d09a // indirect golang.org/x/lint v0.0.0-20210508222113-6edffad5e616 // indirect - golang.org/x/net v0.25.0 // indirect - golang.org/x/oauth2 v0.17.0 // indirect + golang.org/x/net v0.26.0 // indirect + golang.org/x/oauth2 v0.18.0 // indirect golang.org/x/sync v0.8.0 // indirect golang.org/x/sys v0.26.0 // indirect golang.org/x/text v0.19.0 // indirect @@ -89,8 +88,8 @@ require ( gonum.org/v1/gonum v0.14.0 // indirect google.golang.org/appengine v1.6.8 // indirect google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de // indirect - google.golang.org/genproto/googleapis/api v0.0.0-20240227224415-6ceb2ff114de // indirect - google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de // indirect + google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 // indirect gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect gopkg.in/yaml.v3 v3.0.1 // indirect pgregory.net/rapid v1.1.0 // indirect diff --git a/go.sum b/go.sum index 96013eaaa..d13e17be9 100644 --- a/go.sum +++ b/go.sum @@ -1,10 +1,8 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= cloud.google.com/go v0.112.0 h1:tpFCD7hpHFlQ8yPwT3x+QeXqc2T6+n6T+hmABHfDUSM= cloud.google.com/go v0.112.0/go.mod h1:3jEEVwZ/MHU4djK5t5RHuKOA/GbLddgTdVubX1qnPD4= -cloud.google.com/go/compute v1.24.0 h1:phWcR2eWzRJaL/kOiJwfFsPs4BaKq1j6vnpZrc1YlVg= -cloud.google.com/go/compute v1.24.0/go.mod h1:kw1/T+h/+tK2LJK0wiPPx1intgdAM3j/g3hFDlscY40= -cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY= -cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA= +cloud.google.com/go/compute/metadata v0.5.0 h1:Zr0eK8JbFv6+Wi4ilXAR8FJ3wyNdpxHKJNPos6LTZOY= +cloud.google.com/go/compute/metadata v0.5.0/go.mod h1:aHnloV2TPI38yx4s9+wAZhHykWvVCfu7hQbF+9CWoiY= cloud.google.com/go/iam v1.1.6 h1:bEa06k05IO4f4uJonbB5iAgKTPpABy1ayxaIZV/GHVc= cloud.google.com/go/iam v1.1.6/go.mod h1:O0zxdPeGBoFdWW3HWmBxJsk0pfvNM/p/qa82rWOGTwI= cloud.google.com/go/kms v1.15.7 h1:7caV9K3yIxvlQPAcaFffhlT7d1qpxjB1wHBtjWa13SM= @@ -47,8 +45,8 @@ github.com/btcsuite/btcd/btcec/v2 v2.2.1/go.mod h1:9/CSmJxmuvqzX9Wh2fXMWToLOHhPd github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= -github.com/cncf/xds/go v0.0.0-20231128003011-0fa0005c9caa h1:jQCWAUqqlij9Pgj2i/PB79y4KOPYVyFYdROxgaCwdTQ= -github.com/cncf/xds/go v0.0.0-20231128003011-0fa0005c9caa/go.mod h1:x/1Gn8zydmfq8dk6e9PdstVsDgu9RuyIIJqAaF//0IM= +github.com/cncf/xds/go v0.0.0-20240318125728-8a4994d93e50 h1:DBmgJDC9dTfkVyGgipamEh2BpGYxScCH1TOF1LL1cXc= +github.com/cncf/xds/go v0.0.0-20240318125728-8a4994d93e50/go.mod h1:5e1+Vvlzido69INQaVO6d87Qn543Xr6nooe9Kz7oBFM= github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= @@ -224,11 +222,11 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= -golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac= -golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM= +golang.org/x/net v0.26.0 h1:soB7SVo0PWrY4vPW/+ay0jKDNScG2X9wFeYlXIvJsOQ= +golang.org/x/net v0.26.0/go.mod h1:5YKkiSynbBIh3p6iOc/vibscux0x38BZDkn8sCUPxHE= golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= -golang.org/x/oauth2 v0.17.0 h1:6m3ZPmLEFdVxKKWnKq4VqZ60gutO35zm+zrAHVmHyDQ= -golang.org/x/oauth2 v0.17.0/go.mod h1:OzPDGQiuQMguemayvdylqddI7qcD9lnSDb+1FiwQ5HA= +golang.org/x/oauth2 v0.18.0 h1:09qnuIAgzdx1XplqJvW6CQqMCtGZykZWcXzPMPUusvI= +golang.org/x/oauth2 v0.18.0/go.mod h1:Wf7knwG0MPoWIMMBgFlEaSUDaKskp0dCfrlJRJXbBi8= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= @@ -287,17 +285,17 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo= google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de h1:F6qOa9AZTYJXOUEr4jDysRDLrm4PHePlge4v4TGAlxY= google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:VUhTRKeHn9wwcdrk73nvdC9gF178Tzhmt/qyaFcPLSo= -google.golang.org/genproto/googleapis/api v0.0.0-20240227224415-6ceb2ff114de h1:jFNzHPIeuzhdRwVhbZdiym9q0ory/xY3sA+v2wPg8I0= -google.golang.org/genproto/googleapis/api v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:5iCWqnniDlqZHrd3neWVTOwvh/v6s3232omMecelax8= -google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de h1:cZGRis4/ot9uVm639a+rHCUaG0JJHEsdyzSQTMX+suY= -google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:H4O17MA/PE9BsGx3w+a+W2VOLLD1Qf7oJneAoU6WktY= +google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142 h1:wKguEg1hsxI2/L3hUYrpo1RVi48K+uTyzKqprwLXsb8= +google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142/go.mod h1:d6be+8HhtEtucleCbxpPW9PA9XwISACu8nvpPqF0BVo= +google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 h1:e7S5W7MGGLaSu8j3YjdezkZ+m1/Nm0uRVRMEMGk26Xs= +google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg= google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY= google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc= -google.golang.org/grpc v1.63.2 h1:MUeiw1B2maTVZthpU5xvASfTh3LDbxHd6IJ6QQVU+xM= -google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA= +google.golang.org/grpc v1.64.1 h1:LKtvyfbX3UGVPFcGqJ9ItpVWW6oN/2XqTxfAnwRRXiA= +google.golang.org/grpc v1.64.1/go.mod h1:hiQF4LFZelK2WKaP6W0L92zGHtiQdZxk8CrSdvyjeP0= google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM= @@ -309,8 +307,8 @@ google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpAD google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c= google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= -google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI= -google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos= +google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg= +google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk= gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=