Allow transactions with 0-gwei gas price (#4073)

* Allow transactions with 0-gwei gas price
* Add tests to verify tx with 0 gas fee
* Conditionally use CurrencyInput in CurrencyDisplay

1 files changed, 34 insertions, 8 deletions

diff --git a/package-lock.json b/package-lock.json
index 5b5b82450..fd381e993 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2821,6 +2821,20 @@
         "ieee754": "1.1.8"
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+      "resolved": "https://registry.npmjs.org/buffer-alloc/-/buffer-alloc-1.1.0.tgz",
+      "integrity": "sha1-BVFNM78WVtNUDGhPZbEgLpDsowM=",
+      "requires": {
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+        "buffer-fill": "0.1.1"
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+    "buffer-alloc-unsafe": {
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+      "resolved": "https://registry.npmjs.org/buffer-alloc-unsafe/-/buffer-alloc-unsafe-0.1.1.tgz",
+      "integrity": "sha1-/+H2dVHdBVc33iUzN7/oU9+rGmo="
+    },
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@@ -2831,6 +2845,11 @@
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       "integrity": "sha1-WWFrSYME1Var1GaWayLu2j7KX74="
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+    "buffer-fill": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/buffer-fill/-/buffer-fill-0.1.1.tgz",
+      "integrity": "sha512-YgBMBzdRLEfgxJIGu2wrvI2E03tMCFU1p7d1KhB4BOoMN0VxmTFjSyN5JtKt9z8Z9JajMHruI6SE25W96wNv7Q=="
+    },
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       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-0.1.2.tgz",
@@ -4350,7 +4369,7 @@
       "requires": {
         "file-type": "5.2.0",
         "is-stream": "1.1.0",
-        "tar-stream": "1.5.5"
+        "tar-stream": "1.5.6"
       }
     },
     "decompress-tarbz2": {
@@ -24245,13 +24264,15 @@
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     },
     "tar-stream": {
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-      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.5.5.tgz",
-      "integrity": "sha512-mQdgLPc/Vjfr3VWqWbfxW8yQNiJCbAZ+Gf6GDu1Cy0bdb33ofyiNGBtAY96jHFhDuivCwgW1H9DgTON+INiXgg==",
+      "version": "1.5.6",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.5.6.tgz",
+      "integrity": "sha512-tFG9xPbc4Y7CubEwriTss87tdcBQDsw81ejJyCbT4ALNYkNsdPqCfCD6Gkg3OpRkUkq6VO7qpNfwoQAuk/aeNQ==",
       "requires": {
         "bl": "1.2.1",
+        "buffer-alloc": "1.1.0",
         "end-of-stream": "1.4.0",
         "readable-stream": "2.3.3",
+        "to-buffer": "1.1.0",
         "xtend": "4.0.1"
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@@ -24639,6 +24660,11 @@
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       "integrity": "sha1-fSKbH8xjfkZsoIEYCDanqr/4P0M="
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+    "to-buffer": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.0.tgz",
+      "integrity": "sha1-N1vAPtrlw1qPoLP+laHzmF2x3Po="
+    },
     "to-fast-properties": {
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       "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
@@ -26284,7 +26310,7 @@
         "ethereumjs-block": "1.7.0",
         "ethereumjs-tx": "1.3.3",
         "ethereumjs-util": "5.1.5",
-        "ethereumjs-vm": "2.3.4",
+        "ethereumjs-vm": "2.3.5",
         "json-rpc-error": "2.0.0",
         "json-stable-stringify": "1.0.1",
         "promise-to-callback": "1.0.0",
@@ -26338,9 +26364,9 @@
           }
         },
         "ethereumjs-vm": {
-          "version": "2.3.4",
-          "resolved": "https://registry.npmjs.org/ethereumjs-vm/-/ethereumjs-vm-2.3.4.tgz",
-          "integrity": "sha512-Y4SlzNDqxrCO58jhp98HdnZVdjOqB+HC0hoU+N/DEp1aU+hFkRX/nru5F7/HkQRPIlA6aJlQp/xIA6xZs1kspw==",
+          "version": "2.3.5",
+          "resolved": "https://registry.npmjs.org/ethereumjs-vm/-/ethereumjs-vm-2.3.5.tgz",
+          "integrity": "sha512-AJ7x44+xqyE5+UO3Nns19WkTdZfyqFZ+sEjIEpvme7Ipbe3iBU1uwCcHEdiu/yY9bdhr3IfSa/NfIKNeXPaRVQ==",
           "requires": {
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