github.com/franono/tendermint@v0.32.2-0.20200527150959-749313264ce9/tools/mintnet-kubernetes/examples/basecoin/lightclient.md (about) 1 **OUTDATED** 2 3 # Using with lightclient 4 5 We have an awesome cluster running, let's try to test this out without 6 relying on executing commands on the cluster. Rather, we can connect to the 7 rpc interface with the `light-client` package and execute commands locally, 8 or even proxy our webapp to the kubernetes backend. 9 10 ## Setup 11 12 In order to get this working, we need to know a few pieces of info, 13 the chain id of tendermint, the chain id of basecoin, and an account 14 with a bit of cash.... 15 16 ### Tendermint Chain ID 17 18 `kubectl exec -c tm tm-0 -- curl -s http://tm-1.basecoin:26657/status | json_pp | grep network` 19 20 set TM_CHAIN with the value there 21 22 ### Basecoin Chain ID 23 24 `kubectl exec -c app tm-1 -- grep -A1 chainID /app/genesis.json` 25 26 set BC_CHAIN with the value there 27 28 ### Expose tendermint rpc 29 30 We need to be able to reach the tendermint rpc interface from our shell. 31 32 `kubectl port-forward tm-0 26657:26657` 33 34 ### Start basecoin-proxy 35 36 Using this info, let's connect our proxy and get going 37 38 `proxy-basecoin -tmchain=$TM_CHAIN -chain=$BC_CHAIN -rpc=localhost:26657` 39 40 ## Basecoin accounts 41 42 Well, we can connect, but we don't have a registered account yet... 43 Let's look around, then use the cli to send some money from one of 44 the validators to our client's address so we can play. 45 46 **TODO** we can add some of our known accounts (from `/keys`) into 47 the genesis file, so we can skip all the kubectl money fiddling here. 48 We will want to start with money on some known non-validators. 49 50 ### Getting validator info (kubectl) 51 52 The basecoin app deployment starts with 1000 "blank" coin in an account of 53 each validator. Let's get the address of the first validator 54 55 `kubectl exec -c app tm-1 -- grep address /app/key.json` 56 57 Store this info as VAL1_ADDR 58 59 ### Querying state (proxy) 60 61 The proxy can read any public info via the tendermint rpc, so let's check 62 out this account. 63 64 `curl localhost:8108/query/account/$VAL1_ADDR` 65 66 Now, let's make out own account.... 67 68 `curl -XPOST http://localhost:8108/keys/ -d '{"name": "k8demo", "passphrase": "1234567890"}'` 69 70 (or pick your own user and password). Remember the address you get here. You can 71 always find it out later by calling: 72 73 `curl http://localhost:8108/keys/k8demo` 74 75 and store it in DEMO_ADDR, which is empty at first 76 77 `curl localhost:8108/query/account/$DEMO_ADDR` 78 79 80 ### "Stealing" validator cash (kubectl) 81 82 Run one command, that will be signed, now we have money 83 84 `kubectl exec -c app tm-0 -- basecoin tx send --to <k8demo-address> --amount 500` 85 86 ### Using our money 87 88 Returning to our remote shell, we have a remote account with some money. 89 Let's see that. 90 91 `curl localhost:8108/query/account/$DEMO_ADDR` 92 93 Cool. Now we need to send it to a second account. 94 95 `curl -XPOST http://localhost:8108/keys/ -d '{"name": "buddy", "passphrase": "1234567890"}'` 96 97 and store the resulting address in BUDDY_ADDR 98 99 **TODO** finish this 100