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boneyard93501 2022-06-29 20:41:07 -05:00
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commit 1752926c87
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aqua-examples/decentralized-blockchain-gateway/aqua/multi_provider.aqua
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data FunctionAddress:
peer_id: string
service_id: string
data ProviderInfo:
name: string
url: string
data EVMResult:
provider: string
stdout: string
stderr: string
service MyOp("op"):
array_length(providers: []ProviderInfo) -> i64
identity(x: i64) -> f64
service MyOp2("op"):
array_length(providers: []FunctionAddress) -> i64
service MultiProviderQuery("service-id"):
get_block_number(provider: ProviderInfo) -> EVMResult
func get_block_heights(providers: []ProviderInfo, addrs: []FunctionAddress) -> []EVMResult:
result: *EVMResult
result2: *string
n <- MyOp.array_length(providers)
n2 <- MyOp2.array_length(addrs)
if n > 0:
for addr <- addrs par:
on addr.peer_id:
MultiProviderQuery addr.service_id
for provider <- providers:
result <- MultiProviderQuery.get_block_number(provider)
result2 <<- provider.name
-- join result[n2-1]
join result[n*n2-1]
<- result
func get_block_height(providers: []ProviderInfo, addr: FunctionAddress) ->[]EVMResult:
result: *EVMResult
n <- MyOp.array_length(providers)
if n > 0:
on addr.peer_id:
MultiProviderQuery addr.service_id
for provider <- providers:
result <- MultiProviderQuery.get_block_number(provider)
join result[n]
<- result
func provider_test(providers: []ProviderInfo) -> []string:
result: *string
n <- MyOp.array_length(providers)
if n > 0:
for provider <- providers:
result <<- provider.name
join result[n-1]
<- result
data QuorumService:
peer_id: string
service_id: string
data Oracle:
n: u32
mode: u64
freq: u32
err_str: string
service SimpleQuorum("service-id"):
point_estimate(data: []EVMResult, min_points: u32) -> Oracle
is_quorum(x:u64, y:u64, threshold:f64) -> bool
func get_block_height_oracle(providers: []ProviderInfo, addrs: []FunctionAddress, q_addr: QuorumService) -> Oracle:
result: *EVMResult
result2: *string
oracle: *Oracle
n <- MyOp.array_length(providers)
n2 <- MyOp2.array_length(addrs)
if n > 0:
for addr <- addrs par:
on addr.peer_id:
MultiProviderQuery addr.service_id
for provider <- providers:
result <- MultiProviderQuery.get_block_number(provider)
result2 <<- provider.name
-- join result[n2-1]
join result[n*n2-1]
on q_addr.peer_id:
SimpleQuorum q_addr.service_id
oracle <-SimpleQuorum.point_estimate(result, 3)
<- oracle[0]
-- func get_block_height_quorum(providers: []ProviderInfo, addrs: []FunctionAddress, q_addr: QuorumService, t_quorum: i64) -> Oracle, u32:
func get_block_height_quorum(providers: []ProviderInfo, addrs: []FunctionAddress, q_addr: QuorumService, t_quorum: f64) -> Oracle, bool:
result: *EVMResult
result2: *string
oracle: *Oracle
quorum: *bool
min_points = 3 -- minimum points we want in order to calculate an oracle
n <- MyOp.array_length(providers)
n2 <- MyOp2.array_length(addrs)
if n > 0:
for addr <- addrs par:
on addr.peer_id:
MultiProviderQuery addr.service_id
for provider <- providers:
result <- MultiProviderQuery.get_block_number(provider)
result2 <<- provider.name
-- join result[n2-1]
join result[n*n2-1]
on q_addr.peer_id:
SimpleQuorum q_addr.service_id
oracle <-SimpleQuorum.point_estimate(result, min_points)
quorum <- SimpleQuorum.is_quorum(oracle[0].freq, oracle[0].n, t_quorum)
<- oracle[0], quorum[0]
func get_block_height_quorum_exceptions(providers: []ProviderInfo, addrs: []FunctionAddress, q_addr: QuorumService) -> Oracle, EVMResult:
result: *EVMResult
result2: *string
oracle: *Oracle
n <- MyOp.array_length(providers)
n2 <- MyOp2.array_length(addrs)
if n > 0:
for addr <- addrs par:
on addr.peer_id:
MultiProviderQuery addr.service_id
for provider <- providers:
result <- MultiProviderQuery.get_block_number(provider)
result2 <<- provider.name
-- join result[n2-1]
join result[n*n2-1]
on q_addr.peer_id:
SimpleQuorum q_addr.service_id
oracle <-SimpleQuorum.point_estimate(result, 3)
<- oracle[0], result[0]