add token sdk sample application

Signed-off-by: Arne Rutjes <arne123@gmail.com>

README.md

@@ -49,6 +49,7 @@ Additional samples demonstrate various Fabric use cases and application patterns
 |  **Sample** | **Description** | **Documentation** |
 | -------------|------------------------------|------------------|
 | [Off chain data](off_chain_data) | Learn how to use block events to build an off-chain database for reporting and analytics. | [Peer channel-based event services](https://hyperledger-fabric.readthedocs.io/en/latest/peer_event_services.html) |
+| [Token SDK](token-sdk) | Sample REST API around the Hyperledger Labs [Token SDK](https://github.com/hyperledger-labs/fabric-token-sdk) for privacy friendly (zero knowledge proof) UTXO transactions. | [README](token-sdk/README.md) |
 | [Token ERC-20](token-erc-20) | Smart contract demonstrating how to create and transfer fungible tokens using an account-based model. | [README](token-erc-20/README.md) |
 | [Token UTXO](token-utxo) | Smart contract demonstrating how to create and transfer fungible tokens using a UTXO (unspent transaction output) model. | [README](token-utxo/README.md) |
 | [Token ERC-1155](token-erc-1155) | Smart contract demonstrating how to create and transfer multiple tokens (both fungible and non-fungible) using an account based model. | [README](token-erc-1155/README.md) |

token-sdk/.dockerignore

@@ -0,0 +1 @@
+oapi-server.yaml

token-sdk/.gitignore

@@ -0,0 +1,8 @@
+bin/
+keys/
+data/
+tokenchaincode/zkatdlog_pp.json
+
+auditor/auditor
+issuer/issuer
+owner/owner

token-sdk/Dockerfile

@@ -0,0 +1,19 @@
+#build stage
+FROM golang:1.20.7-bookworm AS builder
+WORKDIR /go/src/app
+COPY go.mod .
+COPY go.sum .
+RUN go mod download
+COPY . .
+RUN go build -o /go/bin/app
+
+#final stage
+FROM golang:1.20.7-bookworm
+COPY --from=builder /go/bin/app /app
+ENTRYPOINT /app
+LABEL Name=tokens Version=0.1.0
+
+ENV PORT=9000
+ENV CONF_DIR=/conf
+EXPOSE 9000
+EXPOSE 9001

token-sdk/auditor/conf/core.yaml

@@ -0,0 +1,112 @@
+logging:
+  spec: info
+  format: '%{color}%{time:2006-01-02 15:04:05.000 MST} [%{module}] %{shortfunc} -> %{level:.4s} %{id:03x}%{color:reset} %{message}'
+
+# ------------------- FSC Node Configuration -------------------------
+# The FSC node is responsible for the peer to peer communication with other token services.
+fsc:
+  identity:
+    cert:
+      file: /var/fsc/keys/auditor/fsc/msp/signcerts/cert.pem
+    key:
+      file: /var/fsc/keys/auditor/fsc/msp/keystore/priv_sk
+  tls:
+    enabled: false # TODO
+  p2p:
+    listenAddress: /ip4/0.0.0.0/tcp/9001
+    # If empty, this is a P2P boostrap node. Otherwise, it contains the name of the FSC node that is a bootstrap node.
+    # The name of the FSC node that is a bootstrap node must be set under fsc.endpoint.resolvers
+    bootstrapNode:
+  kvs: # key-value-store
+    persistence:
+      type: badger # badger or memory
+      opts:
+        path: /var/fsc/data/auditor/kvs
+
+  # The endpoint section tells how to reach other FSC node in the network.
+  # For each node, the name, the domain, the identity of the node, and its addresses must be specified.
+  endpoint:
+    resolvers:
+      - name: issuer
+        identity:
+          id: issuer
+          path: /var/fsc/keys/issuer/fsc/msp/signcerts/cert.pem
+        addresses:
+          P2P: issuer.example.com:9101
+      - name: owner1
+        identity:
+          id: owner1
+          path: /var/fsc/keys/owner1/fsc/msp/signcerts/cert.pem
+        addresses:
+          P2P: owner1.example.com:9201
+      - name: owner2
+        identity:
+          id: owner2
+          path: /var/fsc/keys/owner2/fsc/msp/signcerts/cert.pem
+        addresses:
+          P2P: owner2.example.com:9301
+
+# ------------------- Fabric Configuration -------------------------
+fabric: 
+  enabled: true
+  mynetwork:
+    default: true
+    mspConfigPath: /var/fsc/keys/fabric/organizations/peerOrganizations/org1.example.com/users/User1@org1.example.com/msp
+    defaultMSP: Org1MSP
+    msps:
+      - id: Org1MSP
+        mspType: bccsp
+        mspID: Org1MSP
+        path: /var/fsc/keys/fabric/organizations/peerOrganizations/org1.example.com/users/User1@org1.example.com/msp
+    tls:
+      enabled: true
+    # If the keepalive values are too low, Fabric peers will complain with: ENHANCE_YOUR_CALM, debug data: "too_many_pings"
+    keepalive:
+      interval: 300s
+      timeout: 600s
+    # List of orderer nodes this node can connect to. There must be at least one orderer node. Others are discovered.
+    orderers:
+      - address: orderer.example.com:7050
+        connectionTimeout: 10s
+        tlsEnabled: true
+        tlsRootCertFile: /var/fsc/keys/fabric/organizations/ordererOrganizations/example.com/orderers/orderer.example.com/tls/ca.crt
+        serverNameOverride: orderer.example.com
+    # List of trusted peers this node can connect to. There must be at least one trusted peer. Others are discovered.
+    peers:
+      - address: peer0.org1.example.com:7051
+        connectionTimeout: 10s
+        tlsEnabled: true
+        tlsRootCertFile: /var/fsc/keys/fabric/organizations/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/tls/ca.crt
+        serverNameOverride: peer0.org1.example.com
+    # Channel where the token chaincode is deployed
+    channels:
+      - name: mychannel
+        default: true
+    # Configuration of the vault used to store the RW sets assembled by this node
+    vault:
+      persistence:
+        type: badger
+        opts:
+          path: /var/fsc/data/auditor/vault
+
+# ------------------- Token SDK Configuration -------------------------
+token:
+  enabled: true
+  tms:
+    mytms: # unique name of this token management system
+      network: mynetwork # the name of the fabric network as configured above
+      channel: mychannel # the name of the network's channel this TMS refers to, if applicable
+      namespace: tokenchaincode # chaincode name
+      driver: zkatdlog # privacy preserving driver (zero knowledge asset transfer)
+      wallets:
+        auditors:
+          - id: auditor # the unique identifier of this wallet. Here is an example of use: `ttx.GetIssuerWallet(context, "issuer)`
+            default: true # is this the default issuer wallet
+            path: /var/fsc/keys/auditor/aud/msp
+  # Internal database to keep track of token transactions. 
+  # It is used by auditors and token owners to track history
+  ttxdb:
+    persistence:
+      type: badger
+      opts:
+        path: /var/fsc/data/auditor/txdb

token-sdk/auditor/go.mod

@@ -0,0 +1,245 @@
+module github.com/hyperledger/fabric-samples/token-sdk/auditor
+
+go 1.20
+
+replace github.com/ugorji/go v1.1.4 => github.com/ugorji/go/codec v1.2.9
+
+require (
+	github.com/deepmap/oapi-codegen v1.15.0
+	github.com/getkin/kin-openapi v0.120.0
+	github.com/hyperledger-labs/fabric-smart-client v0.3.0
+	github.com/hyperledger-labs/fabric-token-sdk v0.3.0
+	github.com/labstack/echo/v4 v4.11.1
+	github.com/pkg/errors v0.9.1
+)
+
+require (
+	github.com/BurntSushi/toml v1.3.2 // indirect
+	github.com/CloudyKit/fastprinter v0.0.0-20200109182630-33d98a066a53 // indirect
+	github.com/CloudyKit/jet/v6 v6.2.0 // indirect
+	github.com/IBM/idemix v0.0.2-0.20230831093709-b7a940638990 // indirect
+	github.com/IBM/idemix/bccsp/schemes/aries v0.0.0-20230831093709-b7a940638990 // indirect
+	github.com/IBM/idemix/bccsp/schemes/weak-bb v0.0.0-20230831093709-b7a940638990 // indirect
+	github.com/IBM/idemix/bccsp/types v0.0.0-20230831093709-b7a940638990 // indirect
+	github.com/IBM/mathlib v0.0.3-0.20230831091907-c532c4d3b65c // indirect
+	github.com/Joker/jade v1.1.3 // indirect
+	github.com/ReneKroon/ttlcache/v2 v2.11.0 // indirect
+	github.com/Shopify/goreferrer v0.0.0-20220729165902-8cddb4f5de06 // indirect
+	github.com/ale-linux/aries-framework-go/component/kmscrypto v0.0.0-20230817163708-4b3de6d91874 // indirect
+	github.com/andybalholm/brotli v1.0.5 // indirect
+	github.com/apapsch/go-jsonmerge/v2 v2.0.0 // indirect
+	github.com/aymerick/douceur v0.2.0 // indirect
+	github.com/benbjohnson/clock v1.3.5 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/bytedance/sonic v1.9.1 // indirect
+	github.com/cenkalti/backoff/v4 v4.2.0 // indirect
+	github.com/cespare/xxhash v1.1.0 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
+	github.com/consensys/bavard v0.1.13 // indirect
+	github.com/consensys/gnark-crypto v0.9.1 // indirect
+	github.com/containerd/cgroups v1.1.0 // indirect
+	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/davidlazar/go-crypto v0.0.0-20200604182044-b73af7476f6c // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
+	github.com/dgraph-io/badger/v3 v3.2103.2 // indirect
+	github.com/dgraph-io/ristretto v0.1.0 // indirect
+	github.com/docker/go-units v0.5.0 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/elastic/gosigar v0.14.2 // indirect
+	github.com/fatih/structs v1.1.0 // indirect
+	github.com/flosch/pongo2/v4 v4.0.2 // indirect
+	github.com/flynn/noise v1.0.0 // indirect
+	github.com/francoispqt/gojay v1.2.13 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/gin-gonic/gin v1.9.1 // indirect
+	github.com/go-kit/kit v0.10.0 // indirect
+	github.com/go-logfmt/logfmt v0.5.1 // indirect
+	github.com/go-logr/logr v1.2.4 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-openapi/jsonpointer v0.19.6 // indirect
+	github.com/go-openapi/swag v0.22.4 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.14.0 // indirect
+	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/godbus/dbus/v5 v5.1.0 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
+	github.com/golang/glog v1.0.0 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/mock v1.6.0 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/gomarkdown/markdown v0.0.0-20230716120725-531d2d74bc12 // indirect
+	github.com/google/flatbuffers v1.12.1 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/gopacket v1.1.19 // indirect
+	github.com/google/pprof v0.0.0-20230817174616-7a8ec2ada47b // indirect
+	github.com/google/uuid v1.3.1 // indirect
+	github.com/gorilla/css v1.0.0 // indirect
+	github.com/gorilla/mux v1.8.0 // indirect
+	github.com/gorilla/websocket v1.5.0 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.0 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/hashicorp/go-uuid v1.0.2 // indirect
+	github.com/hashicorp/golang-lru v0.5.4 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/huin/goupnp v1.2.0 // indirect
+	github.com/hyperledger-labs/orion-sdk-go v0.2.5 // indirect
+	github.com/hyperledger-labs/orion-server v0.2.5 // indirect
+	github.com/hyperledger-labs/weaver-dlt-interoperability/common/protos-go v1.2.3-alpha.1 // indirect
+	github.com/hyperledger-labs/weaver-dlt-interoperability/sdks/fabric/go-sdk v1.2.3-alpha.1.0.20210812140206-37f430515b8c // indirect
+	github.com/hyperledger/fabric v1.4.0-rc1.0.20230401164317-bd8e24856939 // indirect
+	github.com/hyperledger/fabric-amcl v0.0.0-20230602173724-9e02669dceb2 // indirect
+	github.com/hyperledger/fabric-chaincode-go v0.0.0-20220920210243-7bc6fa0dd58b // indirect
+	github.com/hyperledger/fabric-lib-go v1.0.0 // indirect
+	github.com/hyperledger/fabric-private-chaincode v0.0.0-20210907122433-d56466264e4d // indirect
+	github.com/hyperledger/fabric-protos-go v0.2.0 // indirect
+	github.com/invopop/yaml v0.2.0 // indirect
+	github.com/ipfs/boxo v0.8.0-rc1 // indirect
+	github.com/ipfs/go-cid v0.4.1 // indirect
+	github.com/ipfs/go-datastore v0.6.0 // indirect
+	github.com/ipfs/go-ipfs-util v0.0.2 // indirect
+	github.com/ipfs/go-log v1.0.5 // indirect
+	github.com/ipfs/go-log/v2 v2.5.1 // indirect
+	github.com/ipld/go-ipld-prime v0.20.0 // indirect
+	github.com/iris-contrib/schema v0.0.6 // indirect
+	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
+	github.com/jbenet/go-temp-err-catcher v0.1.0 // indirect
+	github.com/jbenet/goprocess v0.1.4 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/kataras/blocks v0.0.7 // indirect
+	github.com/kataras/golog v0.1.9 // indirect
+	github.com/kataras/iris/v12 v12.2.6-0.20230908161203-24ba4e8933b9 // indirect
+	github.com/kataras/pio v0.0.12 // indirect
+	github.com/kataras/sitemap v0.0.6 // indirect
+	github.com/kataras/tunnel v0.0.4 // indirect
+	github.com/kilic/bls12-381 v0.1.0 // indirect
+	github.com/klauspost/compress v1.16.7 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.5 // indirect
+	github.com/koron/go-ssdp v0.0.4 // indirect
+	github.com/labstack/gommon v0.4.0 // indirect
+	github.com/leodido/go-urn v1.2.4 // indirect
+	github.com/libp2p/go-buffer-pool v0.1.0 // indirect
+	github.com/libp2p/go-cidranger v1.1.0 // indirect
+	github.com/libp2p/go-flow-metrics v0.1.0 // indirect
+	github.com/libp2p/go-libp2p v0.31.0 // indirect
+	github.com/libp2p/go-libp2p-asn-util v0.3.0 // indirect
+	github.com/libp2p/go-libp2p-kad-dht v0.22.0 // indirect
+	github.com/libp2p/go-libp2p-kbucket v0.5.0 // indirect
+	github.com/libp2p/go-libp2p-record v0.2.0 // indirect
+	github.com/libp2p/go-msgio v0.3.0 // indirect
+	github.com/libp2p/go-nat v0.2.0 // indirect
+	github.com/libp2p/go-netroute v0.2.1 // indirect
+	github.com/libp2p/go-reuseport v0.4.0 // indirect
+	github.com/libp2p/go-yamux/v4 v4.0.1 // indirect
+	github.com/magiconair/properties v1.8.5 // indirect
+	github.com/mailgun/raymond/v2 v2.0.48 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/microcosm-cc/bluemonday v1.0.25 // indirect
+	github.com/miekg/dns v1.1.55 // indirect
+	github.com/miekg/pkcs11 v1.1.1 // indirect
+	github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b // indirect
+	github.com/mikioh/tcpopt v0.0.0-20190314235656-172688c1accc // indirect
+	github.com/minio/sha256-simd v1.0.1 // indirect
+	github.com/mitchellh/mapstructure v1.4.3 // indirect
+	github.com/mmcloughlin/addchain v0.4.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
+	github.com/mr-tron/base58 v1.2.0 // indirect
+	github.com/multiformats/go-base32 v0.1.0 // indirect
+	github.com/multiformats/go-base36 v0.2.0 // indirect
+	github.com/multiformats/go-multiaddr v0.11.0 // indirect
+	github.com/multiformats/go-multiaddr-dns v0.3.1 // indirect
+	github.com/multiformats/go-multiaddr-fmt v0.1.0 // indirect
+	github.com/multiformats/go-multibase v0.2.0 // indirect
+	github.com/multiformats/go-multicodec v0.9.0 // indirect
+	github.com/multiformats/go-multihash v0.2.3 // indirect
+	github.com/multiformats/go-multistream v0.4.1 // indirect
+	github.com/multiformats/go-varint v0.0.7 // indirect
+	github.com/onsi/ginkgo/v2 v2.11.0 // indirect
+	github.com/opencontainers/runtime-spec v1.1.0 // indirect
+	github.com/opentracing/opentracing-go v1.2.0 // indirect
+	github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58 // indirect
+	github.com/pelletier/go-toml v1.9.4 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
+	github.com/perimeterx/marshmallow v1.1.5 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/polydawn/refmt v0.89.0 // indirect
+	github.com/prometheus/client_golang v1.14.0 // indirect
+	github.com/prometheus/client_model v0.4.0 // indirect
+	github.com/prometheus/common v0.42.0 // indirect
+	github.com/prometheus/procfs v0.9.0 // indirect
+	github.com/quic-go/qpack v0.4.0 // indirect
+	github.com/quic-go/qtls-go1-20 v0.3.3 // indirect
+	github.com/quic-go/quic-go v0.38.1 // indirect
+	github.com/quic-go/webtransport-go v0.5.3 // indirect
+	github.com/raulk/go-watchdog v1.3.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/schollz/closestmatch v2.1.0+incompatible // indirect
+	github.com/sirupsen/logrus v1.9.0 // indirect
+	github.com/spaolacci/murmur3 v1.1.0 // indirect
+	github.com/spf13/afero v1.6.0 // indirect
+	github.com/spf13/cast v1.4.1 // indirect
+	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/spf13/viper v1.10.1 // indirect
+	github.com/stretchr/testify v1.8.4 // indirect
+	github.com/subosito/gotenv v1.2.0 // indirect
+	github.com/sykesm/zap-logfmt v0.0.4 // indirect
+	github.com/tdewolff/minify/v2 v2.12.9 // indirect
+	github.com/tdewolff/parse/v2 v2.6.8 // indirect
+	github.com/test-go/testify v1.1.4 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.11 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasttemplate v1.2.2 // indirect
+	github.com/vmihailenco/msgpack/v5 v5.3.5 // indirect
+	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
+	github.com/whyrusleeping/go-keyspace v0.0.0-20160322163242-5b898ac5add1 // indirect
+	github.com/yosssi/ace v0.0.5 // indirect
+	go.opencensus.io v0.24.0 // indirect
+	go.opentelemetry.io/otel v1.14.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.13.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.13.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.13.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.13.0 // indirect
+	go.opentelemetry.io/otel/trace v1.14.0 // indirect
+	go.opentelemetry.io/proto/otlp v0.19.0 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
+	go.uber.org/dig v1.17.0 // indirect
+	go.uber.org/fx v1.20.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	go.uber.org/zap v1.25.0 // indirect
+	golang.org/x/arch v0.3.0 // indirect
+	golang.org/x/crypto v0.13.0 // indirect
+	golang.org/x/exp v0.0.0-20230817173708-d852ddb80c63 // indirect
+	golang.org/x/mod v0.12.0 // indirect
+	golang.org/x/net v0.15.0 // indirect
+	golang.org/x/sync v0.3.0 // indirect
+	golang.org/x/sys v0.12.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.12.1-0.20230815132531-74c255bcf846 // indirect
+	google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f // indirect
+	google.golang.org/grpc v1.53.0 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	lukechampine.com/blake3 v1.2.1 // indirect
+	rsc.io/tmplfunc v0.0.3 // indirect
+)