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Is java deprecated for Fabric
Hello; So start with the Fabric Gateway SDKs (https://hyperledger.github.io/fabric-gateway/) available in Go ,Nodejs and Java This will let you connect an application to Fabric, and invoke transaction
Hello; So start with the Fabric Gateway SDKs (https://hyperledger.github.io/fabric-gateway/) available in Go ,Nodejs and Java This will let you connect an application to Fabric, and invoke transaction
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By
Matthew White
· #11120
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#hyperledger-fabric Contract to call a Contract within the same chaincode
#hyperledger-fabric
Hello, I’d suggest looking at the `fabric-contract-api-go` that will do exactly what you want. Specifically https://github.com/hyperledger/fabric-contract-api-go/blob/main/tutorials/getting-started.md
Hello, I’d suggest looking at the `fabric-contract-api-go` that will do exactly what you want. Specifically https://github.com/hyperledger/fabric-contract-api-go/blob/main/tutorials/getting-started.md
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By
Matthew White
· #11109
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Hyperledger Fabric javascript : i need help for using javascript logging in your code assetTransfer.js
Hello, just to confirm have you looked in the container that is running the chaincode. It's a separate docker container. The Winston logger that the chaincode libraries use is also available via the c
Hello, just to confirm have you looked in the container that is running the chaincode. It's a separate docker container. The Winston logger that the chaincode libraries use is also available via the c
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By
Matthew White
· #11041
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Information in Connection Profile files
Hello Nikos; Each organization would have it’s own connection profile – so it connected to it’s own peers. As each organization could be a separate company, it’s unlikely they would want to give out t
Hello Nikos; Each organization would have it’s own connection profile – so it connected to it’s own peers. As each organization could be a separate company, it’s unlikely they would want to give out t
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By
Matthew White
· #11028
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creating images from Dockerfile for external-chaincode
#fabric
Could you explain a bit more about what you're doing please... are you trying to create a docker container to run chaincode-as-a-service?
Could you explain a bit more about what you're doing please... are you trying to create a docker container to run chaincode-as-a-service?
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By
Matthew White
· #11005
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invoke transactions using JSON
Hello… The short answer is yes if you use the ContractAPI for the smart contract; especially so if you are able to use strongly typed language such as Java TypeScript, and Go More detail: From the cli
Hello… The short answer is yes if you use the ContractAPI for the smart contract; especially so if you are able to use strongly typed language such as Java TypeScript, and Go More detail: From the cli
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By
Matthew White
· #10968
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Customize the Dev-peer containers
Hello; So there are two options you can pursue here. In the core.yaml you can configure the docker image that is used as the base for these containers. For example the Node chaincode as it’s fabric-no
Hello; So there are two options you can pursue here. In the core.yaml you can configure the docker image that is used as the base for these containers. For example the Node chaincode as it’s fabric-no
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By
Matthew White
· #10920
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Getting error when invoke external chaincode
Hello; The external chaincode – and specifically the external chaincode-as-a-service is a very valuable feature, and makes deployment into a cloud environment so much easier. The latest Peer packaging
Hello; The external chaincode – and specifically the external chaincode-as-a-service is a very valuable feature, and makes deployment into a cloud environment so much easier. The latest Peer packaging
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By
Matthew White
· #10915
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External chaincode implementation
Hello; The external chaincode – and specifically the external chaincode-as-a-service is a very valuable feature, and makes deployment into a cloud environment so much easier. The latest Peer packaging
Hello; The external chaincode – and specifically the external chaincode-as-a-service is a very valuable feature, and makes deployment into a cloud environment so much easier. The latest Peer packaging
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By
Matthew White
· #10914
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Using different version of Node for Fabric peer to run chaincode
#fabric-peer
#fabric
#fabric-questions
Hello; So for Fabric v2.4 - the node version used for the nodeenv container was updated to v16 (https://github.com/hyperledger/fabric-chaincode-node/blob/a53121f00afc309d3503f45ca6d728d0f8415677/docke
Hello; So for Fabric v2.4 - the node version used for the nodeenv container was updated to v16 (https://github.com/hyperledger/fabric-chaincode-node/blob/a53121f00afc309d3503f45ca6d728d0f8415677/docke
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By
Matthew White
· #10853
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Request For Comments: Fabric Test Network and Docker Desktop
Hello We wanted to get the community's views and input on possible changes to the use of docker in FabricSamples. This is in light of the recent changes to Docker Desktop's licensing model. Our concer
Hello We wanted to get the community's views and input on possible changes to the use of docker in FabricSamples. This is in light of the recent changes to Docker Desktop's licensing model. Our concer
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By
Matthew White
· #10843
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kubernetes network more than one channel and chaincode
Hello - the short answer is "no, not really". The 1.4 SDKs did have some limited ability to do administrative actions; these were removed in v2 - though without a direct replacement. There have been c
Hello - the short answer is "no, not really". The 1.4 SDKs did have some limited ability to do administrative actions; these were removed in v2 - though without a direct replacement. There have been c
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By
Matthew White
· #10808
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kubernetes network more than one channel and chaincode
Proof-of-concept and education - not a problem Regards, Matthew. Matthew B White IBM Blockchain Solutions Architect Email me at WHITEMAT@... Find me on StackOverflow, and generally at calanais.
Proof-of-concept and education - not a problem Regards, Matthew. Matthew B White IBM Blockchain Solutions Architect Email me at WHITEMAT@... Find me on StackOverflow, and generally at calanais.
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By
Matthew White
· #10786
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kubernetes network more than one channel and chaincode
Thanks for using the test-network-k8s! Not spotting anything obviously wrong with the chaincode deployments and channel creation.. Keep in mind though that the 'network' script here is just a convenie
Thanks for using the test-network-k8s! Not spotting anything obviously wrong with the chaincode deployments and channel creation.. Keep in mind though that the 'network' script here is just a convenie
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By
Matthew White
· #10784
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Question about invokeChaincode api
#fabric-chaincode
Hello; Can I suggest that you raise an issue on the github hyperledger/fabric-chaincode-java repo? Though to check that you can call `helloworld()` directly from `invokeChaincode` without having to ca
Hello; Can I suggest that you raise an issue on the github hyperledger/fabric-chaincode-java repo? Though to check that you can call `helloworld()` directly from `invokeChaincode` without having to ca
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By
Matthew White
· #10707
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Urgent: problems with starting local fabric(2.x) network for dev mode using docker containers
#fabric
#configtxgen
#fabric-peer
#fabric-orderer
Hello; On Approach #2.. > Do we still need to install the chaincode in the peer, if we are running the peer in dev mode inside a docker container ? No, the approach you are doing is basically correct;
Hello; On Approach #2.. > Do we still need to install the chaincode in the peer, if we are running the peer in dev mode inside a docker container ? No, the approach you are doing is basically correct;
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By
Matthew White
· #10696
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Deploying Java chaincode
#docker
#fabric-peer
Hello; The 2.3 release was an interim/development release. 2.2 being the LTS. There wasn't a docker image for farbic-javaenv:2.3 released. The quick way around this is to pul down the fabric-javaenv:2
Hello; The 2.3 release was an interim/development release. 2.2 being the LTS. There wasn't a docker image for farbic-javaenv:2.3 released. The quick way around this is to pul down the fabric-javaenv:2
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By
Matthew White
· #10637
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Run HF containers as a non-root user
Hello For k8s information, check https://github.com/hyperledger/fabric-samples/tree/main/test-network-k8s As to why the processes in the docker containers run as root, I really don't know. It may just
Hello For k8s information, check https://github.com/hyperledger/fabric-samples/tree/main/test-network-k8s As to why the processes in the docker containers run as root, I really don't know. It may just
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By
Matthew White
· #10604
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Fabric V2.2 vs. V2.3
Hello. version 2.2 is the current Long-term support release (LTS). So you should target this version. Regards, Matthew. Matthew B White IBM Blockchain Solutions Architect Email me at WHITEMAT@...
Hello. version 2.2 is the current Long-term support release (LTS). So you should target this version. Regards, Matthew. Matthew B White IBM Blockchain Solutions Architect Email me at WHITEMAT@...
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By
Matthew White
· #10603
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How to update/re-deploy the chaincode without restart the whole network?
In addition, the chaincode-as-a-service model is also useful here, as it can be started/stopped in much the same way as dev mode. Regards, Matthew. Matthew B White IBM Blockchain Solutions Architect E
In addition, the chaincode-as-a-service model is also useful here, as it can be started/stopped in much the same way as dev mode. Regards, Matthew. Matthew B White IBM Blockchain Solutions Architect E
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By
Matthew White
· #10569
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