diff --git a/ci/js-test-token.sh b/ci/js-test-token.sh
index 95f0941f..074ce261 100755
--- a/ci/js-test-token.sh
+++ b/ci/js-test-token.sh
@@ -1,16 +1,14 @@
 #!/usr/bin/env bash
 
-set -ex
-cd "$(dirname "$0")"
-cd ../token/js
+set -e
+cd "$(dirname "$0")/.."
+source ./ci/solana-version.sh install
 
+set -x
+cd token/js
 npm install
 npm run lint
 npm run flow
 npx tsc module.d.ts
-npm run cluster:localnet
-npm run localnet:update
-npm run localnet:up
-npm run start
-PROGRAM_VERSION=2.0.4 npm run start
-npm run localnet:down
\ No newline at end of file
+npm run start-with-test-validator
+PROGRAM_VERSION=2.0.4 npm run start-with-test-validator
diff --git a/ci/solana-version.sh b/ci/solana-version.sh
index 5a7647ab..d0181c05 100755
--- a/ci/solana-version.sh
+++ b/ci/solana-version.sh
@@ -14,7 +14,7 @@
 if [[ -n $SOLANA_VERSION ]]; then
   solana_version="$SOLANA_VERSION"
 else
-  solana_version=v1.4.16
+  solana_version=v1.5.0
 fi
 
 export solana_version="$solana_version"
diff --git a/token/js/.gitignore b/token/js/.gitignore
index a65b4177..a2a7d525 100644
--- a/token/js/.gitignore
+++ b/token/js/.gitignore
@@ -1 +1,2 @@
 lib
+test-ledger/
diff --git a/token/js/README.md b/token/js/README.md
index 4931ca24..c120ab0d 100644
--- a/token/js/README.md
+++ b/token/js/README.md
@@ -25,18 +25,14 @@ $ export RUST_LOG=solana_runtime::native_loader=trace,solana_runtime::system_ins
 
 To start a local Solana cluster run:
 ```bash
-$ npm run localnet:update
-$ npm run localnet:up
+$ solana-test-validator
 ```
 
 Solana cluster logs are available with:
 ```bash
-$ npm run localnet:logs
+$ solana --url http://127.0.0.1:8899/ logs
 ```
 
-For more details on working with a local cluster, see the [full
-instructions](https://github.com/solana-labs/solana-web3.js#local-network).
-
 ### Build the on-chain program
 
 ```bash
diff --git a/token/js/package-lock.json b/token/js/package-lock.json
index a08d6b87..19a37e57 100644
--- a/token/js/package-lock.json
+++ b/token/js/package-lock.json
@@ -2350,6 +2350,21 @@
         }
       }
     },
+    "@hapi/hoek": {
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/@hapi/hoek/-/hoek-9.1.0.tgz",
+      "integrity": "sha512-i9YbZPN3QgfighY/1X1Pu118VUz2Fmmhd6b2n0/O8YVgGGfw0FbUYoA97k7FkpGJ+pLCFEDLUmAPPV4D1kpeFw==",
+      "dev": true
+    },
+    "@hapi/topo": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@hapi/topo/-/topo-5.0.0.tgz",
+      "integrity": "sha512-tFJlT47db0kMqVm3H4nQYgn6Pwg10GTZHb1pwmSiv1K4ks6drQOtfEF5ZnPjkvC+y4/bUPHK+bc87QvLcL+WMw==",
+      "dev": true,
+      "requires": {
+        "@hapi/hoek": "^9.0.0"
+      }
+    },
     "@nicolo-ribaudo/chokidar-2": {
       "version": "2.1.8",
       "resolved": "https://registry.npmjs.org/@nicolo-ribaudo/chokidar-2/-/chokidar-2-2.1.8.tgz",
@@ -2686,6 +2701,27 @@
         "picomatch": "^2.2.2"
       }
     },
+    "@sideway/address": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/@sideway/address/-/address-4.1.0.tgz",
+      "integrity": "sha512-wAH/JYRXeIFQRsxerIuLjgUu2Xszam+O5xKeatJ4oudShOOirfmsQ1D6LL54XOU2tizpCYku+s1wmU0SYdpoSA==",
+      "dev": true,
+      "requires": {
+        "@hapi/hoek": "^9.0.0"
+      }
+    },
+    "@sideway/formula": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@sideway/formula/-/formula-3.0.0.tgz",
+      "integrity": "sha512-vHe7wZ4NOXVfkoRb8T5otiENVlT7a3IAiw7H5M2+GO+9CDgcVUUsX1zalAztCmwyOr2RUTGJdgB+ZvSVqmdHmg==",
+      "dev": true
+    },
+    "@sideway/pinpoint": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@sideway/pinpoint/-/pinpoint-2.0.0.tgz",
+      "integrity": "sha512-RNiOoTPkptFtSVzQevY/yWtZwf/RxyVnPy/OcA9HBM3MlGDnBEYL5B41H0MTn0Uec8Hi+2qUtTfG2WWZBmMejQ==",
+      "dev": true
+    },
     "@sindresorhus/is": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-2.1.1.tgz",
@@ -3033,6 +3069,15 @@
       "integrity": "sha1-D+9a1G8b16hQLGVyfwNn1e5D1pY=",
       "dev": true
     },
+    "axios": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.19.2.tgz",
+      "integrity": "sha512-fjgm5MvRHLhx+osE2xoekY70AhARk3a6hkN+3Io1jc00jtquGvxYlKlsFUhmUET0V5te6CcZI7lcv2Ym61mjHA==",
+      "dev": true,
+      "requires": {
+        "follow-redirects": "1.5.10"
+      }
+    },
     "babel-eslint": {
       "version": "10.1.0",
       "resolved": "https://registry.npmjs.org/babel-eslint/-/babel-eslint-10.1.0.tgz",
@@ -3409,6 +3454,12 @@
       "integrity": "sha1-wKHS86cJLgN3S/qD8UwPxXkKhmc=",
       "dev": true
     },
+    "check-more-types": {
+      "version": "2.24.0",
+      "resolved": "https://registry.npmjs.org/check-more-types/-/check-more-types-2.24.0.tgz",
+      "integrity": "sha1-FCD/sQ/URNz8ebQ4kbv//TKoRgA=",
+      "dev": true
+    },
     "cheerio": {
       "version": "0.22.0",
       "resolved": "https://registry.npmjs.org/cheerio/-/cheerio-0.22.0.tgz",
@@ -3954,6 +4005,12 @@
       "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-8.2.0.tgz",
       "integrity": "sha512-8sJ78ElpbDJBHNeBzUbUVLsqKdccaa/BXF1uPTw3GrvQTBgrQrtObr2mUrE38vzYd8cEv+m/JBfDLioYcfXoaw=="
     },
+    "duplexer": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/duplexer/-/duplexer-0.1.2.tgz",
+      "integrity": "sha512-jtD6YG370ZCIi/9GTaJKQxWTZD045+4R4hTk/x1UyoqadyJ9x9CgSi1RlVDQF8U2sxLLSnFkCaMihqljHIWgMg==",
+      "dev": true
+    },
     "duplexer2": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/duplexer2/-/duplexer2-0.1.4.tgz",
@@ -4448,6 +4505,21 @@
       "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=",
       "dev": true
     },
+    "event-stream": {
+      "version": "3.3.4",
+      "resolved": "https://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz",
+      "integrity": "sha1-SrTJoPWlTbkzi0w02Gv86PSzVXE=",
+      "dev": true,
+      "requires": {
+        "duplexer": "~0.1.1",
+        "from": "~0",
+        "map-stream": "~0.1.0",
+        "pause-stream": "0.0.11",
+        "split": "0.3",
+        "stream-combiner": "~0.0.4",
+        "through": "~2.3.1"
+      }
+    },
     "eventemitter3": {
       "version": "4.0.7",
       "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
@@ -4969,6 +5041,26 @@
         }
       }
     },
+    "follow-redirects": {
+      "version": "1.5.10",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.10.tgz",
+      "integrity": "sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==",
+      "dev": true,
+      "requires": {
+        "debug": "=3.1.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        }
+      }
+    },
     "for-in": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",
@@ -4986,6 +5078,12 @@
         "map-cache": "^0.2.2"
       }
     },
+    "from": {
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/from/-/from-0.1.7.tgz",
+      "integrity": "sha1-g8YK/Fi5xWmXAH7Rp2izqzA6RP4=",
+      "dev": true
+    },
     "fs-extra": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-1.0.0.tgz",
@@ -5317,6 +5415,12 @@
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       "dev": true
     },
+    "human-signals": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/human-signals/-/human-signals-1.1.1.tgz",
+      "integrity": "sha512-SEQu7vl8KjNL2eoGBLF3+wAjpsNfA9XMlXAYj/3EdaNfAlxKthD1xjEQfGOUhllCGGJVNY34bRr6lPINhNjyZw==",
+      "dev": true
+    },
     "ieee754": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
@@ -5639,6 +5743,19 @@
         }
       }
     },
+    "joi": {
+      "version": "17.3.0",
+      "resolved": "https://registry.npmjs.org/joi/-/joi-17.3.0.tgz",
+      "integrity": "sha512-Qh5gdU6niuYbUIUV5ejbsMiiFmBdw8Kcp8Buj2JntszCkCfxJ9Cz76OtHxOZMPXrt5810iDIXs+n1nNVoquHgg==",
+      "dev": true,
+      "requires": {
+        "@hapi/hoek": "^9.0.0",
+        "@hapi/topo": "^5.0.0",
+        "@sideway/address": "^4.1.0",
+        "@sideway/formula": "^3.0.0",
+        "@sideway/pinpoint": "^2.0.0"
+      }
+    },
     "js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -5751,6 +5868,12 @@
         "graceful-fs": "^4.1.9"
       }
     },
+    "lazy-ass": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/lazy-ass/-/lazy-ass-1.6.0.tgz",
+      "integrity": "sha1-eZllXoZGwX8In90YfRUNMyTVRRM=",
+      "dev": true
+    },
     "levn": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/levn/-/levn-0.4.1.tgz",
@@ -5925,6 +6048,12 @@
       "dev": true,
       "optional": true
     },
+    "map-stream": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/map-stream/-/map-stream-0.1.0.tgz",
+      "integrity": "sha1-5WqpTEyAVaFkBKBnS3jyFffI4ZQ=",
+      "dev": true
+    },
     "map-visit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/map-visit/-/map-visit-1.0.0.tgz",
@@ -5957,6 +6086,12 @@
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       "dev": true
     },
+    "merge-stream": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
+      "integrity": "sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==",
+      "dev": true
+    },
     "merge2": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
@@ -5985,6 +6120,12 @@
         "to-regex": "^3.0.2"
       }
     },
+    "mimic-fn": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-2.1.0.tgz",
+      "integrity": "sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==",
+      "dev": true
+    },
     "mimic-response": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-2.1.0.tgz",
@@ -6367,6 +6508,15 @@
         "wrappy": "1"
       }
     },
+    "onetime": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/onetime/-/onetime-5.1.2.tgz",
+      "integrity": "sha512-kbpaSSGJTWdAY5KPVeMOKXSrPtr8C8C7wodJbcsd51jRnmD+GZu8Y0VoU6Dm5Z4vWr0Ig/1NKuWRKf7j5aaYSg==",
+      "dev": true,
+      "requires": {
+        "mimic-fn": "^2.1.0"
+      }
+    },
     "optionator": {
       "version": "0.9.1",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.1.tgz",
@@ -6514,6 +6664,15 @@
         "pify": "^2.0.0"
       }
     },
+    "pause-stream": {
+      "version": "0.0.11",
+      "resolved": "https://registry.npmjs.org/pause-stream/-/pause-stream-0.0.11.tgz",
+      "integrity": "sha1-/lo0sMvOErWqaitAPuLnO2AvFEU=",
+      "dev": true,
+      "requires": {
+        "through": "~2.3"
+      }
+    },
     "picomatch": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
@@ -6580,6 +6739,15 @@
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       "dev": true
     },
+    "ps-tree": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/ps-tree/-/ps-tree-1.2.0.tgz",
+      "integrity": "sha512-0VnamPPYHl4uaU/nSFeZZpR21QAWRz+sRv4iW9+v/GS/J5U5iZB5BNN6J0RMoOvdx2gWM2+ZFMIm58q24e4UYA==",
+      "dev": true,
+      "requires": {
+        "event-stream": "=3.3.4"
+      }
+    },
     "pump": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
@@ -6905,6 +7073,15 @@
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       "dev": true
     },
+    "rxjs": {
+      "version": "6.6.3",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.6.3.tgz",
+      "integrity": "sha512-trsQc+xYYXZ3urjOiJOuCOa5N3jAZ3eiSpQB5hIT8zGlL2QfnHLJ2r7GMkBGuIausdJN1OneaI6gQlsqNHHmZQ==",
+      "dev": true,
+      "requires": {
+        "tslib": "^1.9.0"
+      }
+    },
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -7232,6 +7409,15 @@
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     },
+    "split": {
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/split/-/split-0.3.3.tgz",
+      "integrity": "sha1-zQ7qXmOiEd//frDwkcQTPi0N0o8=",
+      "dev": true,
+      "requires": {
+        "through": "2"
+      }
+    },
     "split-string": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/split-string/-/split-string-3.1.0.tgz",
@@ -7248,6 +7434,133 @@
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
       "dev": true
     },
+    "start-server-and-test": {
+      "version": "1.11.6",
+      "resolved": "https://registry.npmjs.org/start-server-and-test/-/start-server-and-test-1.11.6.tgz",
+      "integrity": "sha512-+0T83W/R7CVgIE2HJcrpJDleLt7Skc2Xj8jWWsItRGdpZwenAv0YtIpBEKoL64pwUtPAPoHuYUtvWUOfCRoVjg==",
+      "dev": true,
+      "requires": {
+        "bluebird": "3.7.2",
+        "check-more-types": "2.24.0",
+        "debug": "4.3.1",
+        "execa": "3.4.0",
+        "lazy-ass": "1.6.0",
+        "ps-tree": "1.2.0",
+        "wait-on": "5.2.0"
+      },
+      "dependencies": {
+        "bluebird": {
+          "version": "3.7.2",
+          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+          "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==",
+          "dev": true
+        },
+        "cross-spawn": {
+          "version": "7.0.3",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
+          "integrity": "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==",
+          "dev": true,
+          "requires": {
+            "path-key": "^3.1.0",
+            "shebang-command": "^2.0.0",
+            "which": "^2.0.1"
+          }
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+          "version": "4.3.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
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+          "dev": true,
+          "requires": {
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+          }
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+        "execa": {
+          "version": "3.4.0",
+          "resolved": "https://registry.npmjs.org/execa/-/execa-3.4.0.tgz",
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+          "dev": true,
+          "requires": {
+            "cross-spawn": "^7.0.0",
+            "get-stream": "^5.0.0",
+            "human-signals": "^1.1.1",
+            "is-stream": "^2.0.0",
+            "merge-stream": "^2.0.0",
+            "npm-run-path": "^4.0.0",
+            "onetime": "^5.1.0",
+            "p-finally": "^2.0.0",
+            "signal-exit": "^3.0.2",
+            "strip-final-newline": "^2.0.0"
+          }
+        },
+        "get-stream": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-5.2.0.tgz",
+          "integrity": "sha512-nBF+F1rAZVCu/p7rjzgA+Yb4lfYXrpl7a6VmJrU8wF9I1CKvP/QwPNZHnOlwbTkY6dvtFIzFMSyQXbLoTQPRpA==",
+          "dev": true,
+          "requires": {
+            "pump": "^3.0.0"
+          }
+        },
+        "is-stream": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.0.tgz",
+          "integrity": "sha512-XCoy+WlUr7d1+Z8GgSuXmpuUFC9fOhRXglJMx+dwLKTkL44Cjd4W1Z5P+BQZpr+cR93aGP4S/s7Ftw6Nd/kiEw==",
+          "dev": true
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        },
+        "npm-run-path": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-4.0.1.tgz",
+          "integrity": "sha512-S48WzZW777zhNIrn7gxOlISNAqi9ZC/uQFnRdbeIHhZhCA6UqpkOT8T1G7BvfdgP4Er8gF4sUbaS0i7QvIfCWw==",
+          "dev": true,
+          "requires": {
+            "path-key": "^3.0.0"
+          }
+        },
+        "p-finally": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-2.0.1.tgz",
+          "integrity": "sha512-vpm09aKwq6H9phqRQzecoDpD8TmVyGw70qmWlyq5onxY7tqyTTFVvxMykxQSQKILBSFlbXpypIw2T1Ml7+DDtw==",
+          "dev": true
+        },
+        "path-key": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz",
+          "integrity": "sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==",
+          "dev": true
+        },
+        "shebang-command": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
+          "integrity": "sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==",
+          "dev": true,
+          "requires": {
+            "shebang-regex": "^3.0.0"
+          }
+        },
+        "shebang-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-3.0.0.tgz",
+          "integrity": "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==",
+          "dev": true
+        },
+        "which": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+          "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+          "dev": true,
+          "requires": {
+            "isexe": "^2.0.0"
+          }
+        }
+      }
+    },
     "static-extend": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/static-extend/-/static-extend-0.1.2.tgz",
@@ -7271,6 +7584,15 @@
         }
       }
     },
+    "stream-combiner": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/stream-combiner/-/stream-combiner-0.0.4.tgz",
+      "integrity": "sha1-TV5DPBhSYd3mI8o/RMWGvPXErRQ=",
+      "dev": true,
+      "requires": {
+        "duplexer": "~0.1.1"
+      }
+    },
     "string-width": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
@@ -7460,6 +7782,12 @@
       "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8=",
       "dev": true
     },
+    "strip-final-newline": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/strip-final-newline/-/strip-final-newline-2.0.0.tgz",
+      "integrity": "sha512-BrpvfNAE3dcvq7ll3xVumzjKjZQ5tI1sEUIKr3Uoks0XUl45St3FlatVqef9prk4jRDzhW6WZg+3bk93y6pLjA==",
+      "dev": true
+    },
     "strip-json-comments": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.1.tgz",
@@ -7617,6 +7945,12 @@
         "strip-bom": "^3.0.0"
       }
     },
+    "tslib": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
+      "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==",
+      "dev": true
+    },
     "tweetnacl": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-1.0.3.tgz",
@@ -7853,6 +8187,19 @@
         "spdx-expression-parse": "^3.0.0"
       }
     },
+    "wait-on": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/wait-on/-/wait-on-5.2.0.tgz",
+      "integrity": "sha512-U1D9PBgGw2XFc6iZqn45VBubw02VsLwnZWteQ1au4hUVHasTZuFSKRzlTB2dqgLhji16YVI8fgpEpwUdCr8B6g==",
+      "dev": true,
+      "requires": {
+        "axios": "^0.19.2",
+        "joi": "^17.1.1",
+        "lodash": "^4.17.19",
+        "minimist": "^1.2.5",
+        "rxjs": "^6.5.5"
+      }
+    },
     "watch": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/watch/-/watch-1.0.2.tgz",
diff --git a/token/js/package.json b/token/js/package.json
index 72f4a3be..52655eb3 100644
--- a/token/js/package.json
+++ b/token/js/package.json
@@ -26,6 +26,7 @@
   "scripts": {
     "build": "rollup -c",
     "start": "babel-node cli/main.js",
+    "start-with-test-validator": "start-server-and-test 'solana-test-validator --reset --quiet' http://localhost:8899/health start",
     "lint": "npm run pretty && eslint .",
     "lint:fix": "npm run pretty:fix && eslint . --fix",
     "flow": "flow",
@@ -36,10 +37,6 @@
     "cluster:devnet": "cp cluster-devnet.env .env",
     "cluster:testnet": "cp cluster-testnet.env .env",
     "cluster:mainnet-beta": "cp cluster-mainnet-beta.env .env",
-    "localnet:update": "solana-localnet update",
-    "localnet:up": "rm -f client/util/store/config.json; set -x; solana-localnet down; set -e; solana-localnet up",
-    "localnet:down": "solana-localnet down",
-    "localnet:logs": "solana-localnet logs -f",
     "pretty": "prettier --check '{,cli*/**/}*.[jt]s'",
     "pretty:fix": "prettier --write '{,cli*/**/}*.[jt]s'"
   },
@@ -70,6 +67,7 @@
     "prettier": "^2.0.5",
     "rollup": "^2.23.0",
     "rollup-plugin-copy": "^3.3.0",
+    "start-server-and-test": "^1.11.6",
     "watch": "^1.0.2"
   },
   "engines": {